keep in

抑制, 闭门不出, 让火不熄

例句与用法：

Keep in mind that you have to be home by 11 o'clock.

记住，你必须在十一点以前回家。

Keep in touch!

经常联系！

It is not easy to keep in mind what you have told me.

记住你告诉我的话并不容易。

She earns enough to keep herself and all the family in good clothes.

她的收入能让全家经常有好衣服穿。

Let's keep in touch.

让我们保持联系。

Have you noticed how he tries to keep in with the boss?

你注意到他多巴结老板了吗?

He could scarcely keep in his indignation.

他愤怒得难以自持。

She was kept in for an hour for talking in class.

她因上课说话被罚留校一小时。

详细释义：

1. 不出外

It's best to keep in while the temperature is too low.

气温太低时最好呆在屋里。

2. 抑制

She tried to keep her anger in.

她力图抑制心头的愤怒。

3. 隐瞒

Please keep the secret in.

请保守秘密。