分庭抗礼 As ones rival. Keep at arms length. At loggerheads with. eg：This product shares the market with that one as its rival. 中英俚语俗语来源：庄子渔父：万乘之主，千乘之君，未尝不分庭优礼。 同义词：...

分秒必争 Every minute counts. Improve each shining hour. Improve every moment. eg：We must hurry up to get to the airport in time, every minute counts. 同义词：只争朝夕 Never put off till tomorrow what may be done today. 反义词...

分道扬镳 Go separate ways. eg：The friends parted company because their diference in interests. 同义词：各行其是 Have ones own way. 反义词：殊途同归 AII roads lead to Rome....

肺腑之言 Speak ones conscience. eg：I am speaking my conscience to you in giving you my suggestion. 中英俚语俗语来源：史记：田蚡以肺腑为京师相。 同义词：披肝沥胆、由衷之言 Lay bare ones heart...

非同小可 Something out of the ordinary. No small matter. Not to be dismissed lightly. eg：The discovery made by him is something out of the ordinary. 中英俚语俗语来源：元曲选魔合罗：人命事关天关地，非同小可。...

飞黄腾达 Rise in the world. Flourish like the green bay-tree. His star was in the ascendant. Get on in the world. eg：The writer is risen in the world after the publication of his new book. 中英俚语俗语来源：韩愈诗：飞黄腾...

防患于未然 Prevention is better than cure. Nip in the bud. Crush in the egg. To take precaution. eg：Thieves is common in this area. Better lock the door as prevention is better than cure. 中英俚语俗语来源：汉书外戚传：事...

方兴未艾 In the bud. In the ascendant. On the upgrade. In infancy. eg：The reform was nipped in the bud. 同义词：欣欣向荣 Flourish like the green bay-tree. 反义词：日薄西山 Sinking fast....

返老还童 In ones second childhood. An old man is twice a child. eg：Leonard joined the football team at the age of sixty, he was then in his second childhood. 中英俚语俗语来源：神仙传：八公曰，王薄我老，今则少矣...

反复无常 Play fast and loose. eg：One should not blow hot and cold with what one has promised. 中英俚语俗语来源：汉书：齐夸诈多变，反覆之国。 同义词：变幻莫测 The wind keeps not always at one quarter. 反义...