freeze up

冻结, 使 ... 结冰

例句与用法：

He froze up when we mentioned his debts.

我们谈到他的欠款时，他的表情变僵硬。

The window has frozen up and I can't open it.

窗户给冻上了，我打不开。

详细释义：

1. (使)冻结

The water pipe froze up.

这水管冻结了。

2. 怯场

The young actress froze up on the stage.

这个年轻女演员在台上怯场了。