/naɪt ||; naɪt/noun[C,U] 1 the part of the day when it is dark and when most people sleep 夜；夜晚 · I had a strange dream last night. 我昨晚做了个奇怪的梦。The baby cried all night. 那婴儿哭了一整夜。It's a long way home. Why don't you stay the night ? 回家的路很远，你为什么不留下来过夜呢？We will be away for a few nights. 我们将会离开几个晚上。
2 the time between late afternoon and when you go to bed 晚上（由黄昏至上床睡觉的一段时间）: Let's go out on Saturday night. 我们星期六晚上一起出去玩吧。He doesn't get home until 8 o'clock at night. 他平时晚上8时才回家。I went out with Kate the other night (= a few nights ago). 我前几天晚上跟凯特出去过。 Various prepositions are used with night. At is most common I'm not allowed out after 11 o'clock at night. By is used about something that you usually do in the night-time These animals sleep by day and hunt by night. In/during the night is usually used for the night that has just passed I woke up twice in the night. On is used when you are talking about one particular night On the night of Saturday 30 June. Tonight means the night or evening of today Where are you staying tonight? 与night连用的介词有多个。最常见的是at：I'm not allowed out after 11 o'clock at night.晚上11时后，我不准外出。by指通常晚间做的事：These animals sleep by day and hunt by night.这些动物日间睡觉，夜间觅食。in或during常用于刚过去的晚上：I woke up twice in the night.我昨晚醒了两次。on用于所提及的某一晚：On the night of Saturday 30 June.在6月30日星期六晚上。tonight指今天的晚上或傍晚：Where are you staying tonight?你今晚在哪儿过夜？
an early/a late night an evening when you go to bed earlier/later than usual 早睡╱晚睡的夜晚 a night out an evening that you spend out of the house enjoying yourself 外出玩乐的一晚 in the/at dead of night→DEAD