Complaint n.抱怨，訴苦;投訴，控告

Where is my Complaint Box? This isn’t happening.

我的意見箱跑哪去了，怎么會發生這種事。

You have no real grounds for complaint.

你沒有真正的理由發牢騷。

Can I see the manager, please? I have a complaint.

請問，我可以見經理嗎?我有意見。

I am afraid I have a complaint about the shirt.

恐怕我要說說這件襯衫的事。

To lodge a complaint (against A with B) 向B投訴A：

Our neighbors lodged a complaint against us with the police.

我們的鄰居向警方投訴我們。

I’m here to lodge a complaint against my roommate.

我是來投訴我的室友的。

If you wish to lodge a complaint you’d better get on to the manager.

你有什麼不滿最好找經理提。

Complain vt. & vi. 抱怨，訴苦;投訴

I have to complain to the manager about it.

對這件事我不得不向經理申訴。

You have no reason to complain.

你沒有理由抱怨。

She often complains that he is dishonest.

她常埋怨說他不誠實。