Meaning of つけ込む in Japanese

Definition of つけ込む

つけこむ(tsukekomu) 【付け込む ·つけ込む】

(v5m, vi) to take advantage of; to impose on; to make an entry
彼は私の年の若い事に付け込んだ。
He took advantage of my youth.

よわみにつけこむ(yowaminitsukekomu) 【弱みにつけこむ ·弱みに付け込む ·弱みにつけ込む】

(exp, v5m) to take advantage of (someone's) weakness
他人の弱みに付け込むな。
Don't take advantage of others' weakness.

He often takes advantage of her ignorance.