carefree 英 [ˈkeəfriː] 美 [ˈkerfriː] adj. 无忧无虑的；不负责的
考点1: adj.无忧无虑的: free from care as having no worries or troubles
■e.g. passengers on a luxury cruise ship enjoying a carefree vacation在豪华游轮上享受着无忧旅途的乘客 carefree college students on spring break 春假期间无忧无虑的大学生
■同: blithe, debonair, gay, insouciant, lighthearted, lightsome, slaphappy, unconcerned
■反: careworn焦虑的
ballad 英 [ˈbæləd] 美 [ˈbæləd] n. 歌谣，民谣；叙事歌谣；流行抒情歌曲
考点1: n.由简单诗节和叠句组成的民歌: a narrative poem, often of folk origin and intended to be sung, consisting of simple stanzas and usually having a refrain
■e.g. a haunting ballad about loneliness 一段有关寂寞的缭绕于心的民谣
■同: ditty, jingle, lyric, vocal
nettle 英 [ˈnetl] 美 [ˈnetl] n. 荨麻，荨麻科 v. 惹怒，使恼火；用荨麻刺伤或鞭打（某人）
考点1: vt.惹怒: to arouse to sharp but transitory annoyance or anger
■e.g. His pompous attitude nettled several people.他自大的性格得罪了不少人
■同: aggravate, annoy, exasperate, inflame, infuriate, irritate, peeve, pique, provoke, roil, ruffle, vex
■反: appease, assuage, conciliate, mollify, placate, propitiate 安抚
rapscallion 英 [ræp'skælɪən] 美 [ræpˈskæljən] n. 流氓，恶棍
考点1: n.流氓，恶棍: a mean, evil, or unprincipled person
■e.g. an unsafe place frequented by drunkards and rapscallions 一个酒鬼和流氓经常造访的不安全的地方
■同: brute, devil, evildoer, fiend, knave, miscreant, rascal, reprobate, rogue, savage, scamp, varlet, wretch
■反: saint圣人；cavalier, chevalier (尤指对女士)彬彬有礼的绅士
forestall 英 [fɔːˈstɔːl] 美 [fɔːrˈstɔːl] vt. 先发制人，预先阻止；垄断，屯积；领先；占先一步
考点1: vt.预先阻止: to delay, hinder, or prevent by taking precautionary measures beforehand
■e.g. You can often forestall skidding on the ice simply by driving more slowly通常你只需慢点开车就可以防止车辆在冰面上失控打滑
■同: avert, deter, obviate, preclude, prevent
■反: abet, assist, facilitate, further, precipitate, promote 帮助，促进
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