沉默寡言taciturnity
　　称心如意well-content
　　趁热打铁strike while iron is hot Hold a wolf the iron is hot
　　成群结队gang horde
　　诚惶诚恐with reverence and awe
　　诚心诚意sincere desire
　　承上启下a connecting link between the preceding and the following
　　吃苦耐劳tough
　　吃里扒外live on sb. while helping others secretly
　　痴心妄想、胡思乱想wishful thinking
　　持之以恒preserve
　　叱咤风云ride the whirlwind
　　愁眉苦脸pull a long face snoot
　　愁眉苦脸的，愁眉苦脸地woebegone 、morosely
　　臭名远扬，臭名昭著flagrancy， notorious
　　出乎意料unexpected
　　出口成章have an outstanding eloquence
　　出类拔萃，鹤立鸡群fill the bill supereminence
　　出谋划策give counsel suggest
　　出奇制胜defeat sb. by a surprise action
　　出生入死go through fire and water
　　触类旁通comprehend by analogy
　　垂头丧气，无精打采 down in the mouth lose one's spirits with the tail between the legs
　　垂头丧气的blue about the gills crestfallen downhearted
　　绰绰有余more than sufficient
　　此起彼伏as one falls, another rises
　　从容不迫go easy take one's time
　　从容不迫的leisured unhurried
　　从容不迫地by easy stages
　　粗枝大叶careless slapdash sloppy
　　粗枝大叶的broad-brush
　　措手不及unaware unprepared
　　错综复杂、扑朔迷离 anfractuosity
　　错综复杂的anfractuous daedal reticula sinuous
　　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 boundless universe
　　大失所望greatly disappointed
　　大同小异largely identical but with minor differences
　　大显身手、大显神通strut one's stuff
　　大言不惭、夸夸其谈fanfaronade rodomontade
　　大义凛然inspiring awe by upholding justice
　　大义灭亲place righteousness above family loyalty
　　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