枕戈待旦 zhèn gē dài dàn

zhèn gē dài dàn set phrase sleeping with a halberd under one's pillow waiting for dawn; ready for war
Domain: Idiom 成语
Notes: (CC-CEDICT '枕戈待旦'; Guoyu '枕戈待旦'; Mathews 1931 '枕戈待旦', p. 38)