作贼心虚
uneasy lies the head of one with a guilty conscience
作恶多端
guilty of every conceivable atrocity
up to all kinds of evil
作威作福
domineer
ride roughshod over
tyrannically abuse one's power
sit on the backs of the people
throw one's weight about
act like a tyrant
侃侃而谈
speak with fervor and assurance
speak calmly and confidently
来龙去脉
cause and effect
the ins and outs
context
origin and development
来者不拒
all comers are welcome
来者不善,善者不来
he who has come is surely strong or he'd never have come along
来日方长
there will be ample time
来踪去迹
traces of something
来而不往非礼也
one should return as good as one receives
it is impolite not to give after receiving
供不应求
the supply is inadequate to meet the demand
supply fails to meet the demand
demand exceeds supply
依然故我
one is still one's same old self
as of old
依然如故
none the better
none the worse
remain as before
all the same as it was
依依不舍
have a great attachment
feelings of regret at parting
cannot bear to leave
依样画葫芦
ape others
play the sedulous ape
slavishly copy or imitate
copy mechanically
sketch the gourd according to the pattern
draw a dipper with a gourd as the model
依违两可
have no definite conviction of one's own
便宜行事
act as one sees fit
促膝谈心
cross the knees and talk over matters
sit side by side and talk intimately
have an intimate chat together
俗不可耐
unbearably vulgar
信步闲游
roam about without a definite objective - walk aimlessly
信马由缰
ride with lax reins
信口开河
talk nonsense
信口雌黄
criticize or make statements freely without careful thought
sheer nonsense
wag one's tongue too freely
make irresponsible remarks
信誓旦旦
oath solemnly pledged
pledge in all sincerity and seriousness