深仇大恨
great enmity and deep hostility
深山老林
remote, thickly forested mountains
深入浅出
explain the profound in simple terms
深入人心
strike root in the hearts of the people
find its way deep into the hearts of the people
win support among the people
strike a deep chord in the hearts of the people
strike fire into one's heart
深藏若虚
be modest about one's talent or learning
深思熟虑
long deliberation
deep and careful consideration
chew the cud
cogitative
深恶痛绝
abhor
cherish an undying hatred for
detest
hate like poison
深文周纳
frame and punish severely
混世魔王
fiend in human shape
混淆黑白
obliterate the difference between black and white
mix up black and white
混淆是非
confuse right and wrong
混淆视听
mislead the public
混为一谈
lump together
清规戒律
outmoded rules, regulations and conventions
清夜扪心
examine one's own conscience in the stillness of the night
浅尝辄止
stop after getting a little knowledge of a subject or about something
添枝加叶
add a few branches and leaves
添砖加瓦
do one's little bit
添油加醋
add inflammatory details to
涣然冰释
of doubts or suspicions being quickly dispelled
vanish like the melting ice
游手好闲
sit on one's hands
snot to do a stitch of work
lounge idly
idle away one's time
eat the bread of idleness
live in idleness
keep hands in pockets
游刃有余
be move than equal to a task
浑浑噩噩
ignorant
in a nebulous state
muddle along
浑身是胆
be every inch a hero