全部

1·His name just cropped up in conversation.

交谈时无意中就提到了他的名字。《牛津词典》

2·I'll be late—something's cropped up at home.

我要晚一点来，家里突然出了点事。《牛津词典》

3·His name has cropped up at every selection meeting this season.

他的名字出人意料地出现在了本季的每次选拔会上。《柯林斯英汉双解大词典》

4·Problems have cropped up.

问题来了。《新英汉大辞典》

5·New difficulties cropped up [arose].

发生新的困难。《新英汉大辞典》

6·I shouldn't be surprised if he cropped up this evening.

如果他今晚突然出现，我并不感到惊讶。《新英汉大辞典》

7·We can't get unwary just because nothing unusual has cropped up.

不能因为没发生什么问题就麻痹大意起来。《新英汉大辞典》

8·Proper measures were taken as soon as the erroneous ideas cropped up.

错误思想一冒头，就及时采取了措施。《新英汉大辞典》

9·Something cropped up in class the other day.

那天班上突然发生了一件事。

10·Many of the problems have cropped up in my mind.

许许多多的问题一直出现在我的脑海里。