顺水人情

顺水人情

Literally means:

a favor done at little cost

Actually means:

顺水 refers to traveling in the same direction as water flows (which can save effort). 人情 refers to favor or friendliness.

The phrase refers to a favor done without any trouble or effort.

It often indicates favors done to others with no cost of effort or money to oneself. Derogatory.

顺水，行进的方向跟水的流向相同（可以省力）。人情，恩惠、情谊。

顺水人情，顺便给人的好处，不费力气的人情。多指自己不费力，不费钱而给别人好处。具有贬义色彩。