Word: 竭力 (jiélì) 竭力 dictionary entry jiélì to do one's utmost Full dictionary entry for 竭力 Example sentences using 竭力 2 sentences, showing page 1 of 1. 他竭力掩饰自己的紧张。 Tā jiélì yǎnshì zìjǐ de jǐnzhāng. He did his best to hide his nervousness. 请竭力保持冷静,好吗? Qǐng jiélì bǎochí lěngjìng, hǎo ma? Please try your best to stay calm, okay?