crop up

Watch out for harmful tendencies and deal with them the moment they crop up.

不良倾向一冒尖儿就不要放过它.

Problems will crop up and hit you before you are ready.

你还未准备好，问题就会突然出现并打击你。

Misprints often crop up in the papers.

报上常出现印刷错误.

Keep calm when problems crop up.

遇事冷静.

It's silly to paper over the problem; it will only crop up again one day.

把这个问题掩盖起来的作法是愚蠢的, 总有一天还会暴露的.

All the chief difficulties crop up in the synthesis of the enone ( 1 ).

所有的主要难点都涌现在烯酮 ( 1 ) 的合成中.

Prooblems usually crop up and hit you before you are ready.

问题常常会出乎意料地出现,在你没准备的情况下袭击你.

For one thing, annoying technical glitches sometime crop up.

首先, 有时发生让人烦恼的技术故障.

Of course new problems will crop up and have to be tackled.

当然也还有新问题,还需要继续解决.

Gradually, all kinds of little problems begin to crop up.

渐渐地, 各种各样的小问题开始出现.

In financial history they crop up time after time.

它们都是些深刻的原因.

As in the past, surprises will crop up - pleasant and unpleasant ones.

就如以往一般, 会有突然的惊奇 —— 好的坏的都有.

Similar problems may crop up in our future work.

在我们的工作中,今后还可能出现类似的问题.

Tensions crop up too between the short term and long term.

在短期与长期利益之间,也出现了紧张局面.

Intriguingly, similar ideas crop up in mainstream theories.

有趣的是, 类似的想法在主流理论之中已有斩获.