Common English Mistakes. 中式英语错误 是可以提高一点
不要说 met. 有点奇怪。不是特别大的问题，就
We came across a few problems during the project's implementation.
A problem came up while we were working on it.
I encountered a few difficulties during my research.
We had a couple challenges thrown our way the past year.
There were some obstacles, for sure. But we overcame them.
“Came across" 大概是最常用的
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