◎ 间不容发 jiānbùróngfà

(1) [a seamless heavenly robe——flawless;by the skin of one's teeth;by a hair's breadth;the difference is as narrow as a hair's breadth]∶中间放置不下一根头发,形容相距极微

律历迭相治,其间不容发。——《大戴礼记》

(2) [the situation is extremely critical;within a hair of;within an inch of]∶比喻情势危急到极点

其出不出,间不容发。——汉· 枚乘《上书谏吴王》

距离十分相近，中间不能容纳一丝毫发。比喻情势危急。《文选．枚乘．上书谏吴王》：「系绝于天，不可复结，坠入深渊，难以复出，其出不出，间不容发。」《五代史平话．唐史．卷下》：「事机之来，急如弩箭，投机之会，间不容发。」近危如累卵

英语 (to escape danger etc)​ by a hair's breadth (idiom)​, in a critical state, on the brink of crisis, very close (to happening)​, Taiwan pr. [jian4 bu4 rong2 fa3]