省油的燈

Simplified: 省油的灯

shěngyóudedēng ㄕㄥˇ ㄧㄡˊ ˙ㄉㄜ ㄉㄥ

    • sb who is easy to deal with (usu. in the negative, e.g. after 不是 bùshì)

Character by character

Sources