complain的名詞形式可數嗎

I can't be doing with people who complain all the time.

我無法忍受那些整天發牢騷的人。

Just because I don't complain, people think I'm satisfied.

就因為我不發牢騷，大家便以為我滿意了。

I'm going to complain to the manager about this.

我要就這件事向經理投訴。

I complained to the manager but I didn't get any satisfaction.

我向經理投訴，但問題絲毫沒有得到解決。

In the end, I just got fed up with his constant complaining.

他不停地發牢騷，終於使我厭煩了。

She left early, complaining of a headache.

她説自己頭疼，很早就離開了。