1 lit. teacher for one day, father for ever (idiom)
一身是胆
yī shēn shì dǎn
1 devoid of fear (idiom)
2 intrepid
三缄其口
sān jiān qí kǒu
1 (idiom) reluctant to speak about it
2 tight-lipped
上下其手
shàng xià qí shǒu
1 to raise and lower one's hand (idiom); to signal as conspiratorial hint
2 fig. conspiring to defraud
不胜其苦
bù shèng qí kǔ
1 unable to bear the pain (idiom)
不厌其烦
bù yàn qí fán
1 not to mind taking all the trouble (idiom)
2 to take great pains
3 to be very patient
不安其室
bù ān qí shì
1 to be discontented with one's home
2 to have adulterous relations after marriage (of women) (idiom)
不计其数
bù jì qí shù
1 lit. their number cannot be counted (idiom); fig. countless
2 innumerable
事过境迁
shì guò jìng qiān
1 The issue is in the past, and the situation has changed (idiom).
2 It is water under the bridge.
人在江湖，身不由己
rén zài jiāng hú , shēn bù yóu jǐ
1 you can't always do as you like
2 one has to compromise in this world (idiom)
以其人之道，还治其人之身
yǐ qí rén zhī dào , huán zhì qí rén zhī shēn
1 to use an opponent's own methods to obtain retribution (idiom, from Song dynasty neo-Confucianist Zhu Xi 朱熹); to get revenge by playing sb back at his own game
2 to give sb a taste of his own medicine
以身作则
yǐ shēn zuò zé
1 to set an example (idiom); to serve as a model
以身报国
yǐ shēn bào guó
1 to give one's body for the nation (idiom); to spend one's whole life in the service of the country
以身许国
yǐ shēn xǔ guó
1 to dedicate oneself to the cause of one's country (idiom)
以身试法
yǐ shēn shì fǎ
1 to challenge the law (idiom)
2 to knowingly violate the law
任其自然
rèn qí zì rán
1 to let things take their course (idiom)
2 to leave it to nature
3 laissez-faire
兄弟阋于墙，外御其侮
xiōng dì xì yú qiáng , wài yù qí wǔ
1 internal disunity dissolves at the threat of an invasion from outside (idiom)
入境问俗
rù jìng wèn sú
1 When you enter a country, enquire about the local customs (idiom); do as the natives do
2 When in Rome, do as the Romans do
入境随俗
rù jìng suí sú
1 When you enter a country, follow the local customs (idiom); do as the natives do