fumikomu

Godan Verb (mu)

1. to step into (e.g. someone else's territory); to break into; to raid

君子 くんし おそれて まぬ ところへも愚者 ぐしゃ突入 とつにゅうする。
kunshiga osorete fumikomanu tokoroemo gushawa totsunyū suru.
Fools rush in where angels fear to tread.
Godan Verb (mu)

2. to come to grips with; to get to the core of

くわしいことが全部 ぜんぶわかるまでは、あわててその にふみこむな。見当 けんとうがつくまでは、慎重 しんちょうにかまえておれ。
kuwashii kotoga zembu wakarumadewa awatete sono bani fumikomuna. kentōga tsukumadewa shinchōni kamaete ore.
Don't rush into the situation until you have all the details; hold your horses until you know where you are going.