i can't help say Chinese

题目语法错误

应该是help doing sth 情不自禁做某事，忍不住

何况语言前面一般跟speak。

或者说
I can't help speaking Chinese.

或者说
I can't help saying it in Chinese.

不过不论如何，题目这句很别扭，不像是真正的外国人写出来的东西。

情不自禁讲汉语

I can't stop thinking him!
我总是情不自禁地想他。

I can't help speaking Chinese.？
情不自禁说汉语