充大头

充大头

Literally means:

pretend to be big head

Actually means:

pretend to be capable

Figuratively this phrase means that somebody pretends to be very capable or have good qualifications, but in fact it is not true. It connotes a sense of irony or criticism. Derogatory.

比喻假装自己有本事、有能力或有优越条件，而实际上并不具有。含有讽刺或批评的意思。具有贬义色彩。