profound and obvious

inveterate - shēn gēn gù dì

keep clear of the enemy 's main force and strike at his weak points - bì shí jiù xū

Drain one's guts and wash one's liver - lì dǎn zhuó gān

fly far and high - yuǎn zǒu gāo fēi

water rushes down and covers thousands of miles of land - yī xiè qiān lǐ

basic necessities of life - yī shí zhù xíng

very calm and without worldly passions -- said of a monk - lǎo sēng rù dìng

vague - ruò yǐn ruò xiǎn

In the same boat - tóng zhōu gòng mìng

turn over a new leaf - xǐ xīn gé miàn