多愁善感的moonstruck 、spoony

多此一举bring owls to Athens、 hold a candle to the sun

多多益善the more the better

咄咄逼人aggressive

脱胎换骨thoroughly remould oneself

阿谀奉承、趋炎附势greasiness

恩将仇报、以怨报德 、忘恩负义 bite the hand that feeds one

尔虞我诈each trying to cheat the other

发人深省的thought-provoking

发人深省set people thinking

发扬光大carry forward

翻山越岭tramp over hill and dale

翻天覆地world-shaking

泛滥成灾overrun

飞黄腾达、青云直上come into one's kingdom、 rise in the world strike oil

飞黄腾达的successful

飞禽走兽birds and beasts

废寝忘食forget food and sleep

分道扬镳part company,each going his own way

分化瓦解disintegrate 、divide and demoralize

分门别类classify

纷至沓来come in a continuous stream

纷至沓来的thick as hail

奋不顾身dash ahead regardless of one's safety

愤愤不平be indignant