2021年12月英语四级高频词汇常考词组短语(3)
51. ask for the moon 异想天开
52. at a loss 茫然,不知所措
53. at a time 一次,每次
54. at all costs 不惜一切代价
55. at all events 不管怎样,无论如何
56. at all times 随时,总是
57. at all 丝毫(不),一点也不
58. at any rate 无论如何,至少
59. at best 充其量,至多
60. at first sight 乍一看,初看起来
61. at first 最初,起先
62. at hand 在手边,在附近
63. at heart 内心里,本质上
64. at home 在家,在国内
65. at intervals 不时,每隔……
66. at large 大多数,未被捕获的
67. at last 终于
68. at least 至少
69. at length 最终,终于
70. at most 至多,不超过
71. at no time 从不,决不
72. at one time 曾经,一度;同时
73. at present 目前,现在
74. at someone's disposal 任……处理
75. at the cost of 以……为代价