英:[biˈfɔ: ju: kæn sei naif]
美:[bɪˈfɔr ju kən se naɪf]
adv.
突然
1 I must say the news comes as a total surprise.
我得说这个消息来得太突然了。
2 He suddenly drew a knife and threatened me with it.
他突然拔出刀来威胁我。
1 极快地
by the minute
2 突然
dead sharp snap rude abrupt smack plump short overnight bump slap unawares inroad on a sudden all of a sudden all at once out of the blue
3 一瞬间
nanosecond in the blink of an eye
4 一下子
holus-bolus at one blow like a dose of salts burst by the run with a run hell to split at a whack of a heap
5 转瞬间
temporal in the winking of an eye like winking