Definition (困难)
To encounter difficulties or begin to experience problems.
遭遇困难;遇到麻烦;陷入困境
We unexpectedly ran into some difficulties during the planning.
我们在计划过程中意外地遇到了一些困难。
If you don't prepare in advance, you might run into trouble.
如果你不提前准备,可能会遇到麻烦。
She ran into some technical problems during the experiment.
她在实验过程中遇到了一些技术问题。