- [countable, usually plural]
a thing that you do for interest or pleasure （为兴趣、娱乐或达到一定目的而进行的）活动 leisure/outdoor/recreational activities 休闲/户外/娱乐活动 The club provides a wide variety of activities including tennis, swimming and squash. 这家俱乐部的活动丰富多彩，诸如网球、游泳、壁球等。
Extra ExamplesTopics Hobbiesa1Shopping is now a leisure activity. 现在购物是一项休闲活动。 The real value of social activities is being with friends and taking time out from the pressures of daily living. 社交活动的真正价值是和朋友在一起，从日常生活的压力中抽出时间。 The students were involved in a range of extracurricular activities. 学生们参加了一系列课外活动。
Oxford Collocations Dictionaryadjective- frantic
- frenetic
- heightened
- …
- burst
- flurry
- level
- …
- conduct
- do
- perform
- …
- a hive of activity
- a sign of activity
- [countable, usually plural]
a thing that somebody does in order to achieve a particular aim （为兴趣、娱乐或达到一定目的而进行的）活动 criminal/terrorist/illegal activities 犯罪/恐怖/非法活动 He has decided to focus his time and resources on his business activities. 他决定把时间和资源集中在商业活动上。 We met to review progress and to coordinate our activities. 我们开会审查进展并协调我们的活动。
Extra ExamplesThey had been involved in a variety of criminal activities. 他们参与了各种犯罪活动。 Here's an activity you can do with mixed ability classes. 这里有一项活动，你可以在学生能力参差不齐的班级里做。 The party's activities have been suspended. 该党的活动已经暂时中止。 We suspect he may be involved in illegal activities. 我们怀疑他可能从事非法活动。 The main problem is that people may not report all of their physical activities on questionnaires. 主要问题是，人们可能不会在问卷上报告他们所有的体育活动。
- [uncountable]
a situation in which something is happening or a lot of things are being done 活动；热闹状况；活跃 Economic activity has taken a downturn this year. 今年的经济活动有所减退。 The streets were noisy and full of activity. 街上熙熙攘攘，车水马龙。 Muscles contract and relax during physical activity. 身体活动时肌肉收缩放松。 There was no criminal activity involved. 没有涉及犯罪活动。 The machines can monitor brain activity. 这些机器可以监控大脑活动。
Extra ExamplesHis income was derived from criminal activity. 他的收入来自犯罪活动。 It will only be possible to stimulate business activity with an injection of public funds. 只有注入公共资金才有可能刺激商业活动。 Newspapers report a higher level of activity in the foreign exchange markets. 报章报道外汇市场活动转趋活跃。 Police watched the house all day, but there was no sign of activity. 警察整日监视着这所房子，却未发现任何活动迹象。 Teachers here are not allowed to engage in any political activity. 这儿的教师不准参加任何政治活动。 The classroom was a hive of activity as the children prepared for the concert. 孩子们在为音乐会做准备时，整个教室忙作一团。 The islands were formed by volcanic activity. 这些岛屿是由火山活动形成的。 The room was buzzing with activity. 房间里闹哄哄的。 The scene was one of frenetic activity. 现场一片狂乱。 There was a flurry of activity as the film star appeared on the balcony. 那名影星在阳台上一露面就引发了一阵骚动。 They had engaged in sexual activity in the past three months. 过去的 3 个月中他们有过性行为。 The ground is covered with evidence of human activity, particularly in the prehistoric period. 地面覆盖着人类活动的证据，尤其是在史前时期。
Oxford Collocations Dictionaryadjective- frantic
- frenetic
- heightened
- …
- burst
- flurry
- level
- …
- conduct
- do
- perform
- …
- a hive of activity
- a sign of activity
Word Originlate Middle English: from French activité or late Latin activitas, from Latin act- ‘done’, from the verb agere.