(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]∶中間放置不下一根頭發(fā),形容相距極微

律厤迭相治,其間不容發(fā)。——《大戴禮記》

(2) [the situation is extremely critical;within a hair of;within an inch of]∶比喻情勢危急到極點(diǎn)

其出不出,間不容發(fā)?！獫h· 枚乘《上書諫吳王》