急眼
to be anxious; to get angry with sb
鸡眼
corn (callus on the foot)
割鸡焉用牛刀
lit. why use a pole-ax to slaughter a chicken? (idiom); fig. to waste effort on a trifling matter; also written 殺雞焉用牛刀|杀鸡焉用牛刀[sha1 ji1 yan1 yong4 niu2 dao1]
杀鸡焉用牛刀
don't use a sledgehammer on a nut; aquila non capit muscam