1.
the state of being or appearing to be actively engaged in an activity.
积极从事某项活动的状态。
2.
a person who pursues and activity in their spare time for pleasure.
一个为寻找快乐而在业余时间从事某项活动的人。
3.
active about some business
积极从事某种商业活动
4.
a healthy capacity for vigorous activity.
有从事某种活动的精力。
5.
To begin some activity is to set about doing it.
开始某项活动就是着手某件事情。
6.
An activity to which one devotes time.
（某人）从事的活动某人所投入时间的活动
7.
Some activities or the day-to-day events of a business are known as transactions.
企业的某些活动或日常事项称为交易。
8.
a devoted (almost religiously so) adherent of a cause or person or activity.
一个对某项事业、某人或者某项活动深爱着的信徒。
9.
plying a knife and fork with gusto); the term also applies to the regular and diligent engagement in a task or pursuit (
以极大的热情起劲地挥舞着刀和叉)；这个词还意味着经常性地、勤奋地从事某项任务或活动(
10.
embrace a social cause.
乐意地从事于一项社会活动.
11.
person who pays money to charity in return for a specified activity by another person
向慈善事业捐款以换取他人的某项活动者.
12.
a person who does not participate.
没有参加某项活动的人。
13.
run or stand for office.
做某一项活动的侯选人。
14.
the kind of research they are likely to be undertaking.
他们可能要从事的某项科研项目。
15.
take up the cause or ideology of (beliefs, tasks, etc.).
继续从事某一项事业或继承某种思想等等。
16.
supervising the conduct of business operations by enterprises as legal persons in line with the items of registration, articles of association and contracts;
监督企业法人按照登记注册事项和章程、合同从事经营活动
17.
involving half the standard or customary time for an activity.
使用从事某种活动的标准时间或者惯例时间的一半。
18.
Why not take up some outdoor sport as a relaxation from office work?
为何不从事某种户外活动来轻松轻松，摆脱一下公务呢？