start a career in (the specified profession)
开始从事（某职业）
He embarked on a new career.
他开始从事一新事业.
start or begin sth,esp a job
开始从事某事（尤指职业）
begin a new business
开始从事一项新工作
beginning author
刚开始从事写作的作家
He engaged upon a new profession.
他开始从事新的职业。
So the next time you start something,
所以下一次你开始从事某件事时，
(cause sb to)begin a career,working life,etc
（使某人）开始从事事业、工作等
The young man is settled in a trade.
这个男青年已开始从事一项事业。
After he retired from the army, he took up writing.
他从军队退役以后便开始从事写作。
He used the money to launch into a new business.
他利用这笔钱开始从事一新行业。
He gave up medicine and took to literature.
他放弃医学，开始从事文学工作。
He set himself up as a freelance engineer.
他开始从事自由职业工程师的工作。
When did you start out as a lawyer?
你是什麽时候开始从事律师这个行业?
He took up herpetology at the age of fifty.
他50岁时开始从事爬虫学。
When he left school he took up news writing.
他毕业后开始从事新闻写作。
He set up In business as an Insurance broker .
他开始从事保险经纪人的职业。
They embarked on a new enterprise.
他们开始从事一项新的企业。