薄氷を踏む
Idiom- 1to tread on thin ice ; to walk on thin ice ; to take a grave risk ; to be in a precarious situation Translated by Jiyomi
Other writings and readings
薄氷を履む薄氷をふむ
expressions (phrases, clauses, etc.) · Godan verb with 'mu' ending
JMdict entry 2872357. Source and licence.