1 不拘泥的
wide
2 随便
free familiar casual passing negligent undress cursive promiscuous glib unceremonious lighthearted unbending shirttail unstuffy shirt-sleeve hail-fellow hang-loose random arbitrarily dooms familiarity at hazard out of a hat at rovers without ceremony and center
3 不僵硬的
yielding
4 随便的
free familiar casual passing negligent undress cursive promiscuous glib unceremonious lighthearted unbending shirttail unstuffy shirt-sleeve hail-fellow hang-loose