act up

The question was so unexpected that , for a moment , she was at a loss how to act up properly.

问题来得这么突然, 她一时不知道如何作出恰当的反应.

If the pressure is too low, the heating system will act up.

如果压力太低, 供暖系统就会出毛病.

The children always act up when their mother is out.

母亲不在家,孩子们总是调皮捣蛋.

The young herdsman briskly mounted a horse that was inclined to act up with an unaccustomed rider.

年轻牧民轻快地跃上一匹惯于对生人使性子的马.

Little children always act up with their parents at home.

小孩子们总在家里和父母耍脾气.

The car's engine began to act up.

汽车的发动机开始出毛病了.

I hat it when you act up.

你捣蛋的时候真令人讨厌.

Jack always used to act up when his mother wouldn't let him watch TV.

以前Jack的妈妈不让他看电视的时候,他就捣蛋.

We should act up to those principles and examples.

我们应遵循一些原则和实例.

We need to act up and stand for what we believe in.

我们需要做出反应,坚持我们所秉信的.

Watch Ricky, he sometimes likes to act up in class.

注意里基, 他总是喜欢在课堂上捣蛋.

Sometimes they act up and force you to take a stand.

有时他们行动起来并让你陪伴他们的左右.

Watch Ricky. He sometimes likes to act up in class.

注意里基,他有时喜欢在课堂上捣乱.

He like to act up and pretend that he is special.

他喜欢捣蛋胡闹,假装自己很特别.

The children always act up at home in holidays.

假期里,小孩经常在家顽皮.