平生

píng shēng all one's life

不

bù (negative prefix); not; no

做

zuò to do; to make; to produce; to write; to compose; to act as; to engage in; to hold (a party); to be; to become; to function (in some capacity); to serve as; to be used for; to form (a bond or relationship); to pretend; to feign; to act a part; to put on appearance

亏心事

kuī xīn shì shameful deed

， 半夜

bàn yè midnight; in the middle of the night

敲门

qiāo mén to knock on a door

心

xīn heart; mind; intention; center; core; CL:顆|颗[ke1],個|个[ge4]

不

bù (negative prefix); not; no

惊

jīng to start; to be frightened; to be scared; alarm