1.pensive mood 忧郁的心情 2.be in the mood 心情舒畅，来劲儿，有做某事的心情 3.weather observing 气象观测 4.muscle in 强行挤入以便分享利益；强行干涉 5.muscle tissue 肌肉组织 6.fundamental principle 基本原理 7.fundamental change 根本变化 8.well-known facts 众所周知的事实 9.be well-known for 因......而出名 10.be well-known as 作为......而出名 11.at one's wit's end 智穷计尽 12.be scared out of one's wits 吓得失魂落魄 13.at the end of the wit 黔驴技穷 14.hold one's breath 屏住呼吸 15.hold on 坚持，固执，紧握 16.hold over 延期；以......威胁 17.twenty-four seven 连续发生地；日夜无休；随时随刻；永远...... 18.firm grip 紧握 19.be at gtips with 与......搏斗;正努力应对...... 20.rock the boat 破坏现状；捣乱 21.Don't miss the boat 不要坐失良机 22.loose the purse strings 乱花钱；花钱大手大脚 23.loosen up one's muscle 放松肌肉 24.against the grain 格格不入；违背常规 25.a pest of society 害群之马 26.take a powder 溜之大吉 27.washing powder 洗衣粉 28.perform one's duty/promise 履行......的职责/承诺 29.Municipal Government 市政府 30.peak to valley ratio 峰谷比