吹牛皮

to boast / to talk big

to blow / to play a wind instrument / to blast / to puff / to boast / to brag / to end in failure / to fall through

to talk big / to shoot off one's mouth / to chat (dialect)

ox / cow / bull / CL:條|条[tiao2],頭|头[tou2] / newton (abbr. for 牛頓|牛顿[niu2 dun4]) / (slang) awesome

cowhide / leather / fig. flexible and tough / boasting / big talk

surname Pi

leather / skin / fur / CL:張|张[zhang1] / pico- (one trillionth) / naughty