Definition
to persist with effort in doing something challenging
堅持不懈
Although learning a new skill is difficult, she decided to stick at it.
雖然學習新技能很困難，但她決定堅持下去。
He stuck at the challenging job and eventually received a promotion.
他堅持做這份具有挑戰性的工作，最終獲得了晉升。
If you can stick at this sport, you will definitely see results.
如果你能堅持這項運動，你一定會看到成果。