穿帮

chuān bāng

continuity error

(TV or movie) blooper; (theater) to flub one's lines; unintended exposure of a body part; to be exposed (of a scheme or trick); to reveal sth one intended to conceal through a slip of the tongue; to blow one's cover

穿

chuān

to wear

帮

bāng

old variant of 幫|帮[bang1]