lăo shŭ guò jiē – rén rén hăn  dă
老鼠过街 – 人人喊打
A rat runs across the street.  – Everybody shouts, "Kill it!"; to be extremely unpopular
duì niú tán qín – bù qĭ zuò  yòng
对牛弹琴 – 不起作用
Play the lute to a cow –  address the wrong audience; to act to little effect
sān tiān dă yú, liăng tiān shài wăng – mó yáng  gōng
三天打鱼,两天晒网 – 磨洋工
Go fishing for three  days and then dry the nets for two – dawdle over one's work; work off and on
xiăo xiàng zi lĭ ná zhú gān – zhí lái zhí  qù
小巷子里拿竹竿 – 直来直去
Take a bamboo in an alley –  go straight; speak frankly and openly
guò hé chāi qiáo – wàng ēn fù  yì
过河拆桥 – 忘恩负义
Demolish the bridge once the  river is crossed. – be ungrateful to one's benefactor
bái zhĭ hēi zì – hēi bái fēn  míng
白纸黑字 – 黑白分明
(Written) in black and white  – in sharp contrast; being clear-cut
zhū bā jiè zhào jìng zi – lĭ wài bù shì  rén
猪八戒照镜子 – 里外不是人
Zhu Bajie (Pig in  Journey to the West, one of the four great classical novels of Chinese  literature, who carries a rake as a weapon) looks in the mirror – neither he nor  his reflection is anything but a pig; (figuratively), trying to please everyone  and ending up pleasing no-one. When you are in such a situation you feel like  "里外不是人".
rè guō shang de mă yĭ – jí de tuán tuán  zhuàn
热锅上的蚂蚁 – 急得团团转
Ants crawling  frantically on a hot pan – cat on a hot tin roof
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