敲边鼓

Traditional (Taiwan): 敲邊鼓

qiāobiāngǔ ㄑㄧㄠ ㄅㄧㄢ ㄍㄨˇ

    • to back sb up
    • to support sb in an argument
    • (lit. to beat nearby drum)

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
beat the side of the drum
Meaning
To back someone up from the sidelines, or to hint indirectly to influence them. Often a little critical.

Sources