你想翻译还是干嘛？问题没有写完整。
如果你想说：假如.ann是你们英语老师,当你们遇到困难时可以找她。
可以翻译为：You could find Ann when you have any difficulty if she is your english teacher.
或者： If Ann is your english teacher, you could ask for (find) her for any difficulites.
假如.ann是你们英语老师,当你们遇到困难时
你想翻译还是干嘛？问题没有写完整。
如果你想说：假如.ann是你们英语老师,当你们遇到困难时可以找她。
可以翻译为：You could find Ann when you have any difficulty if she is your english teacher.
或者： If Ann is your english teacher, you could ask for (find) her for any difficulites.