on duty

英：[ɔn ˈdju:ti]

美：[ɑn ˈduti]

noun

conduct due to parents and superiors : respect

filial duty and obedience—John Locke

obligatory tasks, conduct, service, or functions that arise from one's position (as in life or in a group) Her primary duty at the meeting was to take attendance. performs a variety of administrative duties

was his duty to support his family

assigned service or business jury duty

was put on kitchen duty

a moral or legal obligation

felt it was their duty to help

the force of moral obligation

will be ready when duty calls

taxespecially: a tax on imports

a 15 percent duty

work sense 1c

the service required (as of an electric machine) under specified conditions

got double duty out of the trip

adjective

done as a duty

pay a duty call on her elderly aunt

being on duty : assigned to specified tasks or functions

the duty officer

Noun and Adjective Middle English duete, from Anglo-French deueté, dueté, from deu due

The first known use of duty was in the 13th century

blowoutnoun

a big festive party

a bursting of a container (as a tire) by pressure of the contents on a weak spot

an eruption of an oil or gas well that is not under control and is the result of too much natural pressure

bring upverb

to bring to maturity through care and education

bring up a child

to bring to attention : introduce

I hate to keep bringing this up

check1 of 2noun

the exposing of a chess king to attack

a sudden stopping of progress

something that delays, stops, or holds back : restraint

examination sense 1, investigation

a written order telling a bank to pay out money from a person's or company's account to the one named on the order cash a check

pay a bill by check

a ticket or token that shows that the bearer has a claim to something

a baggage check

a slip of paper showing the amount due : bill

a pattern of squares

a fabric with such a design

a mark ✓ placed beside an item to show it has been noted

check2 of 2verb

to put a chess king in check

to bring to a stop

to check an impulse

to come to a stop

to hold back : restrain, curb

checked her temper

to make sure that something is correct or satisfactory check it out with a teacher

check your blood pressure

to inspect, examine, or look at checked over the damage

checking out new cars

to mark with a check

check the first item

to mark with squares : checker

to leave or accept for safekeeping or for shipment

check baggage

to be the same on every point : tally

single-mindedadjective

having only one purpose : determined

a single-minded devotion to stopping crime

single-handedadjective

managed or done by one person

working alone : lacking help

have1 of 2verb

possess sense 1, own have the right to vote

have a dog

to consist of

April has 30 days

to be forced by duty or conscience in regard to : must have a letter to write

have to go

to stand in relationship to

has three sisters

obtain sense 1, get

the best to be had

receive sense 1

had bad news

accept sense 1aespecially: to accept in marriage

she wouldn't have him

to be marked or characterized by

has red hair

reveal sense 1

had the courage to refuse

use entry 2 sense 3, exercise

have mercy

experience entry 2, undergo I have a cold

have a good time

to perform an action or engage in an activity had a fight

have a look at that mess

to hold in the mind have doubts

have an opinion

to cause to do or be done please have the children stay

had my hair cut

to cause to be

has everyone confused

permit entry 1 sense 1

we'll have no more of that

to hold an advantage over

we have them now

trick entry 2 sense 1, fool

been had by a partner

bear entry 2 sense 2a

have a baby

to partake of

have dinner

bribe entry 2

can be had for a price

—used as a helping verb with the past participle of another verbhad already eatenwill have finished dinner by then

has gone home

have2 of 2noun

one that has much material wealth

single filenoun

a line of persons or things arranged one behind another

single-breastedadjective

having a center closing with one row of buttons and no overlapping lapel

single-breasted coat

sing1 of 2verb

to produce musical sounds by means of the voice

to utter with musical sounds

sing a song

chant entry 1 sense 2, intone

parts of the mass were sung

to make pleasing musical sounds

birds singing at dawn

to make a slight shrill sound

a kettle singing on the stove

to express enthusiastically

sing the praises of life in the city

buzz entry 1 sense 1, ring

ears singing from the sudden descent

to affect or bring to a place or state by singing sing the blues away

sing a baby to sleep

to call aloud : cry out

sing out when you find them

sing2 of 2noun

a session of group singing

dutynoun

conduct due to parents and superiors : respect

the action required by one's position or occupation

a moral or legal obligation

the force of moral obligation

tax entry 2 sense 1especially: a tax on imports

the service required (as of an electric machine)

withstands heavy duty