地雷を踏む
じらいをふむ
jiraiwofumu
JMdict entry #2839899
- expressions (phrases, clauses, etc.)Godan verb with 'mu' ending to step on a landmine
- expressions (phrases, clauses, etc.)Godan verb with 'mu' ending idiomatic expression to really step in it; to screw up; to open up a can of worms