job,work, post, position, occupation, trade, profession, vocation & career

1. job: [C] 指用以谋生的工作，尤指为他人所雇。

I need a part-time job.

2. work: [U] 指有报酬的工作，尤指固定工作。

She wants to return to work after having the baby.

但也可指无报酬或不为他人雇佣的工作。

voluntary work 志愿工作

housework 家务

3. post / position: [C] 是指公司等机构的职位，更为正式。

He was appointed to the position/ post of professor of English at Standford University.

4. occupation: [C]  表示某人所从事的职业， 是更正式的用语。

On a form you might see: Please state your name and occupation.

5. trade: [C] 尤指需要特殊手工技巧的职业，手艺。

be sth by trade 职业是

My grandfather was a plumber by trade.  

6. profession: [C] 需要专业教育和训练的职业，如医生和律师。但有些profession，如教书和护理也可称为vocation, 指从事这种职业的人旨在帮助他人，而非为了挣许多钱。

He is a lawyer by profession.

7. vocation: [C]  指自己非常热爱的工作，职业。

Teaching isn’t just a job– it’s a vacation. 教书并不单是一份工作,它是一种职业。

8. career: [C] 指希望终生从事的职业；事业；生涯

Her political career began 20 years ago.