表达“在……时”根据不同的搭配可用on、in、at、during、over、beyond等,其中以下6种情况用at。
- at dawn,在拂晓;at dusk,在黄昏;at night,在夜晚;at noon,在中午
- at breakfast,吃早饭时;at lunch,吃午饭时;at dinner,吃晚饭时
- at Christmas, 在圣诞节时;at Halloween,在万圣节前夕;at Oxford,在牛津大学时
- at 16,在16岁时;at the age of,在…年龄时
- at 7:00,在七点;at the moment,在此刻
- at the news,一听到这个消息;at the sight of,一看到……;at first sight,乍一看