flat1/flæt; flæt/adj comparative flatter , superlative flattest 1 smooth and level, without any raised parts 平的﹔平坦的: a flat surface 平整的表面Holland is very flat. 荷兰地势十分平坦。2 a flat rate or price is fixed and does not change〔费率或价格〕统一的﹐固定的: They charge a flat rate for delivery. 他们收取固定的运费。3 a tyre that is flat does not have enough air inside it〔轮胎〕气不足的﹐瘪的4 not very thick, deep, or high 扁平的﹔浅的: a flat box 一个扁扁的盒子5 a drink that is flat has lost its gas〔饮料〕走了气的: This soda water has gone flat . 苏打水走气了。6 a performance, book etc that is flat is not very interesting or exciting〔演出﹑书等〕沉闷乏味的﹐平淡的7 BrE a flat BATTERY has lost its electrical power [ dead AmE 【美】] 【英】〔电池〕电用完了的: The batteries have gone flat . 电池没电了。8 E flat/B flat etc a musical note that is slightly lower than E, B etc [→ sharp] 降 E 调/降 B 调等9 if a musical note is flat, it is played or sung slightly lower than it should be〔音符〕降音的10 flat refusal/denial etc a refusal etc which someone will not change 断然拒绝/否认等
flat2n [C] 1 BrE a set of rooms for someone to live in that is part of a larger building [ apartment AmE 【美】] 【英】一套住宅﹐一套公寓房: a two-bedroom flat 一套有两间卧室的公寓a block of flats (=a large building with many flats in it) 一栋公寓楼see box at见 HOUSE1 方框2 a tyre that does not have enough air inside 瘪了的轮胎: The car has a flat . 汽车有个轮胎瘪了。3 a musical note that is slightly lower than the usual note, or the sign (♭) used in written music to show this note 降半音﹐降音﹔降音符号4 flats [plural 复数] an area of land that is at a low level, especially near water〔尤指水边的〕低洼地: mud flats 泥滩5 the flat of sth the flat part or side of something 某物的平面部分: He hit the desk with the flat of his hand. 他用手掌拍桌子。
flat3adv 1 in a position in which someone or something is smooth and level, with no parts that are raised or standing up 平直地﹔平坦地: The bed can be folded flat for storage. 这张床可以叠平储藏。He lay flat on his back . 他仰面平躺着。2 in 10 seconds/two minutes etc flatinformal very quickly, in 10 seconds, two minutes etc【非正式】只要十秒钟/两分钟等: He did his homework in ten minutes flat. 他十分钟就做完了家庭作业。3 flat outinformal 【非正式】a) as fast as possible 以最快速度: We’ve been working flat out. 我们一直在全力以赴地工作着。 b) AmE in a direct and complete way【美】直接地﹐断然地: ask/tell sb flat out She asked him flat out if he was seeing another woman. 她直截了当地问他是否在跟别的女人约会。fall flat at 见 FALL1