Complain是一个常用的英语动词，意为“抱怨，诉苦，抱怨”，它的搭配很多，下面我们一起来了解一下。

1. Complain about

Complain about是complain最常见的搭配，意为“抱怨某事”，比如：

- She always complains about her job.

- He complained about the service at the restaurant.

2. Complain of

Complain of也是complain的常见搭配，意为“抱怨某种症状”，比如：

- The patient was complaining of a headache.

- She complained of feeling tired all the time.

3. Complain to

Complain to意为“向某人抱怨”，比如：

- She complained to the manager about the rude service.

- He complained to his friend about the noise from the construction site.

4. Complain of/about/to somebody

Complain的宾语可以是某个人，表示向某人抱怨，比如：

- She complained to her husband about the messy house.

- He complained to his teacher about the difficult homework.

总的来说，complain是一个常用的动词，其搭配也很多，需要根据实际情况合理运用。但是要注意，过度抱怨可能会让人产生负面印象，因此我们应该更加积极地处理问题，而不是一味地抱怨。