Continued effort, perseverance, or tenacity; the act or quality of working hard to achieve a result.
毎日の練習で彼の頑張りはチーム全体の励みになった。
His daily efforts in practice encouraged the whole team.
試験に向けての頑張りがついに実を結んだ。
The effort he put into preparing for the exam finally paid off.
長距離ランナーは最後までの頑張りが重要だ。
For long-distance runners, persevering until the end is important.