一箭双雕： kiling two eagles with one arrow

胸有成竹：have a complete picture in one's mind

井底观天：size up the sky from the bottom of a well

一衣带水：It‘s so close that you can’t walk past without getting wet.

东施效颦：An ugly woman can't look better by imitating the smile of a beautiful girl.

大惊小怪：It's like being startled by things both big and small.

鼠目寸光：short-range thinking

经济东风：economic shift

胆小如鼠：very timid

举足轻重：very important

归心似箭：very anxious to return home

齐心协力：act in concert

蒙在鼓里：keep workers in the dark

繁文缛节:special organized programs of instruction

欣欣向荣：mass prosperity

衣食住行：food，clothing，shelter and transportation

占大部分： a lion's share

空头支票：rubber check

get the green light:得到允许

in weal or woe 同甘共苦

show the white weather 示弱

blow one‘s own trumpet自吹自擂

pull the strings幕后操纵

It doesn't hold water.一点也站不住脚。