竭尽

竭盡

jiéjìn

verb #8,302

Meanings

Tā jiéjìn quánlì wánchéng le rènwù.

He spared no effort to complete the task.

Wǒmen huì jiéjìn suǒnéng bāngzhù nǐ.

We will do everything in our power to help you.

Tā jiéjìn quánlì yě méi néng gǎibiàn jiéguǒ.

Even with all her effort, she couldn't change the outcome.

grammar

竭尽 almost always appears in fixed phrases: 竭尽全力 (spare no effort), 竭尽所能 (do everything one can). Rarely used on its own.

memory

竭 (exhaust) + 尽 (completely) — both characters mean 'to use up completely', reinforcing each other for emphasis.

竭 jié

尽 jǐn