godan verb (-mu), intransitive verb
fit snugly; get stuck; get caught
Physical sense: something becomes tightly lodged, stuck, or wedged into a space, often unintentionally.
指に指輪がはまり込んで取れなくなった。
The ring got stuck on my finger and wouldn't come off.
タイヤがぬかるみにはまり込
The tire got bogged down in the mud.
godan verb (-mu), intransitive verb
get caught up in; become deeply involved; get addicted to
Metaphorical extension: becoming deeply entangled in a situation, habit, or infatuation, often with a negative or obsessive connotation.
彼はギャンブルにはまり込んで借金を作った。
He got addicted to gambling and ended up in debt.
変な宗教にはまり込まないように気をつけて。
Be careful not to get caught up in a strange cult.