for the sake of 后面加什么

语法结构for the sake of sth，for the sake of可以放在句首、句中或句末，后面加名词，表示目的状语。

语法结构for the sake of doing sth，for the sake of后面也可以加动名词（即ing形式）形式，表目的。

例句

For the sake of the child she resolved to be brave.

为了孩子，她决心要勇敢起来。

Who managed to get on the front seat for the sake of fresh air?

是谁为了呼吸新鲜空气，设法坐到了前排座位上？

Smiling for the sake of smiling can lead to emotional exhaustion.

只是为了微笑而微笑会导致情绪衰竭。