1.
be studying for
为了要获得学位或从事某种职业而攻读
2.
Actually engaged in a specified occupation or a certain kind of work; practicing.
从事实际工作的实际从事某种职业或工作的；实干的
3.
The act or an instance of granting a license, usually to practice a profession.
许可证的颁发颁发执照的行为或事例，通常指许可从事某种职业
4.
usually teach skills which enable students to follow a career,
高等专科学校通常教授学生技能，使学生能从事某种职业，
5.
"He is allowed to cultivate hobbies, even eccentricities, but must not practise a vocation. "
他可以培养自己养成各种癖好,甚至养成怪癖的行为,但他不准从事某种职业。
6.
To engage in(a trade or occupation); work at.
从事从事（某种商业和职业）工作
7.
start a career in (the specified profession)
开始从事（某职业）
8.
start or begin sth,esp a job
开始从事某事（尤指职业）
9.
To qualify oneself for a post or office.
给…资格使自己具备担任某种职务或从事某项职业的资格
10.
active about some business
积极从事某种商业活动
11.
a professional man, woman, practitioner
从事某职业的男子、 女子、 开业者
12.
A person following a profession, especially a learned profession.
专业人员从事某项职业的人，尤指有学问的职业
13.
One who practices something, especially an occupation, a profession, or a technique.
从业者，执业者从事某事的人，尤指从事职业、专业或技术的人
14.
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。
15.
Those are advantages that attach to the profession.
那些都是从事该职业的种种有利条件。
16.
Individuals in certain occupations are apparently more vulnerable to alcoholism.
从事某些职业的个人显然易患酒精中毒症。
17.
People from the countryside are still banned from taking certain jobs in some cities.
在一些城市，农村人依然被禁止从事某些职业。
18.
characteristic of or befitting a profession or one engaged in a profession.
职业性的，适于一种职业的或专门从事一种职业的人。