wèi / le / zhè / diǎn / xiǎo / shì / fǎn / fù / zhēng / lùn / shí / zài / tài / láo / shén / fèi / lì / le

为了这点小事反复争论，实在太劳神费力了。

Arguing over such a small matter again and again is really taxing.