在英语中，踩雷的意思是遇到了意想不到的、不利的、或者令人尴尬的事情。你可以用下列短语来表达踩雷的意思：

"Step on a landmine"：这个短语形象地表达了踩雷的意思，也很常用。

"Fall into a trap"：这个短语表示被卡住了，也很适合表达踩雷的意思。

"Hit a snag"：这个短语表示遇到了棘手的问题。

"Run into trouble"：这个短语表示遇到了困难或麻烦。

例句：

I stepped on a landmine when I found out that my boss was retiring and I was not chosen as his replacement.
We fell into a trap when we thought we were getting a good deal on the house, but it turned out to have serious structural problems.
Our project hit a snag when one of the key team members quit unexpectedly.
We ran into trouble when the suppper didn't depver the materials on time and we had to scramble to find a replacement.