1 unfamiliar at first, but well accustomed soon enough (idiom)
不撞南墙不回头
bù zhuàng nán qiáng bù huí tóu
1 to stubbornly insist on one's own ideas (idiom)
修心养性
xiū xīn yǎng xìng
1 to cultivate the heart and nurture the character (idiom); to improve oneself by meditation
回嗔作喜
huí chēn zuò xǐ
1 to go from anger to happiness (idiom)
回天乏术
huí tiān fá shù
1 unable to turn around a hopeless situation (idiom)
2 to fail to save the situation
回天无力
huí tiān wú lì
1 unable to turn around a hopeless situation (idiom)
2 to fail to save the situation
回心转意
huí xīn zhuǎn yì
1 to change one's mind (idiom)
好记性不如烂笔头
hǎo jì xìng bù rú làn bǐ tóu
1 the palest ink is better than the best memory (idiom)
好马不吃回头草
hǎo mǎ bù chī huí tóu cǎo
1 lit. a good horse doesn't turn around and graze the same patch again (idiom)
2 fig. once you've moved on, don't go back again (romantic relationship, job etc)
3 leave the past behind
妙手回春
miào shǒu huí chūn
1 magical hands bring the dying back to life (idiom); miracle cure
2 brilliant doctor
峰回路转
fēng huí lù zhuǎn
1 the mountain road twists around each new peak (idiom)
2 (of a mountain road) twisting and turning
3 fig. an opportunity has come unexpectedly
4 things have taken a new turn
有去无回
yǒu qù wú huí
1 gone forever (idiom)
本性难移
běn xìng nán yí
1 It is hard to change one's essential nature (idiom). You can't change who you are.
2 Can the leopard change his spots? (Jeremiah 13:23)
江山易改，本性难移
jiāng shān yì gǎi , běn xìng nán yí
1 it is easier to change mountains and rivers than to alter one's character (idiom)
2 you can't change who you are
3 Can the leopard change his spots?
浪子回头
làng zǐ huí tóu
1 the return of a prodigal son (idiom)
熏陶成性
xūn táo chéng xìng
1 (idiom) nurture makes second nature
2 good habits come by long assimilation
苦海无边，回头是岸
kǔ hǎi wú biān , huí tóu shì àn
1 The sea of bitterness has no bounds, turn your head to see the shore (idiom). Only Buddhist enlightenment can allow one to shed off the abyss of worldly suffering.