事業的英文：
1.a career; an undertaking

career是什么意思：
n. 事业，职业；生涯；全速
v. 全速前进，猛冲

Her art career was mined.
她的艺术生涯被毁掉了。

The horse went at full career.
那马全速奔驰。

His political career is on the ropes.
他的政治生涯几近完结。

His car careered into a river.
他的车一头冲入河里。

His career is on the skids.
他的事业每况愈下。

undertaking是什么意思：
n. 事业，企业；保证
v. undertake的现在分词

to bear; to shoulder; to undertake; to assume
担负

A chivalrous or adventurous undertaking.
大胆的或冒险的经历

Their installation proved a laborious undertaking.
要来安顿这些人，确实是一件麻烦的事情。

To undertake aircraft engine repair activities.
进行飞机发动机的修理工作。

Roosevelt was reluctant to undertake the thankless task
罗斯福不大愿意承担这种徒劳无益的任务。