打草惊蛇act rashly and alert the enemy

大材小用waste one"s talent on a petty job

大公无私selfless

大海捞针look for a needle in a bottle of hay

大惑不解be extremely puzzled

大惊小怪a storm in a teacup foofaraw fuss like a hen with one chicken

大惊小怪的spoffish

大快人心affording general satisfaction

大名鼎鼎famous well known

大器晚成great minds mature slowly

大千世界the boundless¹ universe

大失所望greatly disappointed

大同小异largely identical but with minor² differences

大显身手 大显神通strut³ one"s stuff

大言不惭 夸夸其谈fanfaronade rodomontade

大义凛然inspiring awe⁴ by upholding justice

大义灭亲place righteousness above family loyalty⁵

大智若愚Still waters run deep. An empty vessel makes the most sound Still water runs deep

呆若木鸡dumbstruck transfixed

待人接物the ways one gets along with others

殚思极虑rack one"s brains

胆小如鼠cannot say boh to a goose

胆战心惊的funky

淡泊明志not seek fame and wealth

道貌岸然be sanctimonious

得过且过drift along muddle along

得天独厚的advantaged

得心应手handy with facility

得意忘形 得意洋洋 bloat get dizzy with success

得意洋洋elated elation exaltation jauntiness

得意扬扬ride high

得意洋洋的cock-a-hoop high-blown perky

得意扬扬的triumphant

德才兼备have both ability and moral integrity

德高望重sainted saintlike

登峰造极reach the limit reach the peak of perfection

地大物博vast territory and abundant resources

颠倒黑白 颠倒是非 混淆是非call white black swear black is white

颠三倒四confused disorderly