They find it hard to master a foreign language. 他们发现要掌握一门外语是困难的,这里可不可以用found ?

翻译：that these children may find it hard to think for themselves when they are older. I find it hard to understand n____ speakers because they speak too fast I find it hard to control find it hard to do 同义词 it's hard to find that kind 是i find it hard to say 还是i find it is hard to say I find it hard to trust 急I find it hard to trust? You may find it not hard to...还是You may not find it hard to... They find it is hard to plan things for themselves (改为同义句)They find __ hard___ ___things for themselves 填这些空啊！ ___ they have been working hard to find?Ais that what Bis that Cit is that Dis it that It's too hard to find it!是啥意思! I find it hard to solve the problem.翻译 some people find it hard to fall asleep翻译 why is it so hard to find jobs? I find it hard to do you good? find it hard to join the fray 怎么翻 ,I found it hard to find time to exercise.翻译下特别是 hard to 为什么要说I find it hard to do而不说I find it's hard to do