Definition
To do something as well as one is capable of doing.
盡己所能。
You only need to complete this task to the best of your ability.
你只需要盡己所能完成這項任務。
She researched to the best of her ability, carefully reviewing all the data.
她盡己所能地進行研究，仔細審查所有數據。
Every athlete must perform to the best of their ability in the competition.
每位運動員都必須在比賽中盡己所能地表現。