This is the 5238th most frequent Japanese word.
飛び込ん
"飛び込ん" means "jump in" or "dive in."
Here, '飛び込ん' (tobikon) means 'jumping into' and describes a physical action of leaping into something, emphasizing motion and entry.
彼は川に飛び込んだ。
He jumped into the river.
In this sentence, '飛び込ん' is used metaphorically to signify actively engaging in or entering into a new endeavor or situation.
私たちは新しいプロジェクトに飛び込んだ。
We started a new project decisively.
Here, '飛び込ん' refers to the act of bursting or breaking into something unexpectedly, emphasizing intrusion or interruption.