when hungry, you can't pick what you eat (idiom) / beggars can't be choosers / When matters are urgent, don't spend time choosing alternatives.
吃不了兜着走
chī bu liǎo dōu zhe zǒu
lit. if you can't eat it all, you'll have to take it home (idiom) / fig. you'll have to take the consequences
鱼与熊掌
yú yǔ xióng zhǎng
lit. the fish and the bear's paw, you can't have both at the same time (idiom, from Mencius) / fig. you must choose one or the other / you can't always get everything you want / you can't have your cake and eat it
打游击
dǎ yóu jī
to fight as a guerilla / (fig.) to live or eat at no fixed place
果腹
guǒ fù
to eat one's fill
开荤
kāi hūn
to eat meat after having maintained a vegetarian diet / (fig.) to do sth as a novel experience
自食其果
zì shí qí guǒ
to eat one's own fruit (idiom) / fig. suffering the consequences of one's own action / to reap what one has sown
大饱口福
dà bǎo kǒu fú
to eat one's fill / to have a good meal
吃皇粮
chī huáng liáng
lit. to eat from government coffers / to serve as a government employee / to live off government money
eat depending on the dish, cut cloth according to the body (idiom) / to fit the appetite to the dishes and the dress to the figure / to act according to actual circumstances / to live within one's means
lit. the fish and the bear's paw, you can't have both at the same time (idiom, from Mencius) / fig. you must choose one or the other / you can't always get everything you want / you can't have your cake and eat it
to eat bear heart and leopard gall (idiom) / to pluck up some courage
心急吃不了热豆腐
xīn jí chī bu liǎo rè dòu fu
hasty men don't get to eat hot tofu (idiom) / one just has to be patient / haste will ruin everything
暴饮暴食
bào yǐn bào shí
to eat and drink unreasonably
又想当婊子又想立牌坊
yòu xiǎng dāng biǎo zi yòu xiǎng lì pái fāng
lit. to lead the life of a whore but still want a monument put up to one's chastity (idiom) / fig. to have bad intentions but still want a good reputation / to want to have one's cake and eat it too
又要马儿跑,又要马儿不吃草
yòu yào mǎ r pǎo , yòu yào mǎ r bù chī cǎo
lit. you can't expect the horse to run fast but not let it graze (idiom) / fig. you can't have your cake and eat it, too
吃喝拉撒睡
chī hē lā sā shuì
to eat, drink, shit, piss, and sleep / (fig.) the ordinary daily routine
吃香喝辣
chī xiāng hē là
lit. to eat delicious food and drink hard liquor (idiom) / fig. to live well