expression, godan verb (-su)
achieve results; build a track record; leave a mark
Used when someone produces tangible accomplishments or a proven record, often in professional, academic, or competitive contexts.
彼は若いうちから研究で実績を残した。
He achieved results in research from a young age.
このプロジェクトで実績を残せば
If you build a track record with this project, you'll probably get promoted.