◎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
律厤迭相治，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》
(好工具)