研究语言不只需要兴趣,更需要长期坚持的毅力。Yánjiū yǔyán bù zhǐ xūyào xìngqù, gèng xūyào chángqī jiānchí de yìlì.Studying a language requires not only interest but also the perseverance to keep going long term.
减肥成功靠的是毅力,而不是运气。Jiǎnféi chénggōng kào de shì yìlì, ér bú shì yùnqì.Losing weight successfully depends on willpower, not on luck.
他凭借顽强的毅力,坚持每天跑步锻炼。Tā píngjiè wánqiáng de yìlì, jiānchí měitiān pǎobù duànliàn.Relying on strong willpower, he keeps running every day to exercise.