1 no less than from heaven to the abyss (idiom); differing widely
2 worlds apart
3 the gap couldn't be bigger
喜笑颜开
xǐ xiào yán kāi
1 grinning from ear to ear (idiom)
2 beaming with happiness
奴颜婢膝
nú yán bì xī
1 servile and bending the knee (idiom); fawning
2 bending and scraping to curry favor
正颜厉色
zhèng yán lì sè
1 solemn in countenance (idiom); strict and unsmiling
无颜见江东父老
wú yán jiàn Jiāng dōng fù lǎo
1 (idiom) to be unable to return to one's hometown due to the shame of failure (originally referred to Xiang Yu 項羽|项羽[Xiàng Yǔ], who chose not to retreat to Jiangdong after his humiliating defeat)
皓首苍颜
hào shǒu cāng yán
1 white hair and gray sunken cheeks (idiom); decrepit old age
笑逐颜开
xiào zhú yán kāi
1 smile spread across the face (idiom); beaming with pleasure
2 all smiles
3 joy written across one's face
红颜薄命
hóng yán bó mìng
1 beautiful women suffer unhappy fates (idiom)
临渊羡鱼，不如退而结网
lín yuān xiàn yú , bù rú tuì ér jié wǎng
1 better to go home and weave a net than to stand by the pond longing for fish (idiom)
2 one should take practical steps to achieve one's aim
颜厚有忸怩
yán hòu yǒu niǔ ní
1 even the most brazen person will sometimes feel shame (idiom)