他做研究有一股不服输的劲,所以遇到冷门课题也不会轻易放弃。Tā zuò yánjiū yǒu yì gǔ bù fúshū de jìn, suǒyǐ yù dào lěngmén kètí yě bú huì qīngyì fàngqì.He has a stubborn drive in his research, so he does not give up easily even when he encounters obscure topics.
他把全身的劲都用在了推那辆车上。Tā bǎ quánshēn de jìn dōu yòng zài le tuī nà liàng chē shàng.He put all the strength of his whole body into pushing that car.
看她干活的这股劲,真让人佩服。Kàn tā gàn huó de zhè gǔ jìn, zhēn ràng rén pèifu.Seeing the drive she puts into her work really makes you admire her.