万紫千红
innumerable flowers of purple and red
万死一生
only one chance in ten thousand of preserving the life
万应灵丹
panacea
万无一失
cannot fail under any circumstances
absolutely sure, no possibility of failure
not a chance of an error
no risk at all
落拓不羁
unconventional and uninhibited
落落大方
natural and graceful
落落寡合
aloof
落花流水
beat somebody to fits
like the fallen flowers carried away by flowing water
utterly routed
beat somebody hollow
落花有意，流水无情
shedding petals, the waterside flower pines for love, while the heartless brook babbles on
落荒而走
take to the wilds
be defeated and flee the battlefield
落井下石
throw rocks in after somebody has fallen into a well
drop stones on a man who has fallen into a well
take a mean advantage
叶落归根
everything reverts to its original source
the leaves fall and return to the root
a person residing elsewhere finally returns to his ancestral home
叶公好龙
Lord Ye's love of dragons
蒙昧无知
illiterate
be wrapped in the night of ignorance
unenlightened
蒙头转向
be utterly confused
蒙混过关
sneak away in the confusion
steal away
gloss over one's faults
get by under false pretences
蒙在鼓里
be kept in the dark
蒸蒸日上
greater and greater prosperity
盖棺论定
final judgement can be passed on a person only when the lid is laid on his coffin
when one's coffin is covered all discussion about him can be settled
蓬头垢面
with dishevelled hair and a dirty face
蔚然成风
become the order of the day
this practice has grown into a general trend
come into vogue
蔚为大观
make an impressive sight
present a splendid sight
afford a magnificent view
萧规曹随
Tsao followed the rules set by Hsiao
藏头露尾
speak evasively