两面光

Traditional (Taiwan): 兩面光

liǎngmiànguāng ㄌㄧㄤˇ ㄇㄧㄢˋ ㄍㄨㄤ

    • smooth operator who offends neither side
    • fence-sitter

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
smooth on both sides
Meaning
Describes someone who handles things smoothly so as not to offend either side. Usually mildly critical, implying fence-sitting.

Sources