crop up 突然出现 ; 发生 ; 被提到
crop up here and there 层出不穷
when problems crop up 惹事 ; 出现变故
begin to crop up 露出苗头
problems may crop up 突然出现的问题
to crop up 蹦出来
to begin to crop up 冒头
That crop up for air 为了氛围拔地而起 ; 为了空气拔地而起
crop up on 在
crop up one after another 此起彼伏
All of us have to learn to deal with difficult situations when they crop up.
我们所有人都必须学会处理突然出现的困难情况。
youdao
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。
《新英汉大辞典》
Keep calm when problems crop up.
遇事冷静。
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