to slave away
[phrase form: slave]
01
一生懸命働く, 奴隷のように働く
to work hard and persistently for a long time to get a job done or reach a goal
例
The dedicated team slaved away on the new software development until the early hours of the morning.
献身的なチームは、新しいソフトウェア開発に夜遅くまで働き詰めた。
