His recent behavior perplexes me.

他最近的行为使我感到费解。

youdao

I need help with the fourth problem; it perplexes me.

我需要人帮我解第四题；它使我困惑。

youdao

I need help with the fourth problem; it perplexes me.

我需要人帮我解第四题；它使我困惑。

youdao