If you have a vocation, you have a strong feeling that you are especially suited to do a particular job or to fulfil a particular role in life, especially one which involves helping other people.
例句
It could well be that he has a real vocation...很可能他是找到了自己真正的使命。Diana was a young mission school teacher convinced of her vocation to provide support for her schoolgirl pupils.黛安娜是教會學校的一名年輕老師，她深信幫助學校的女學生是其天職。
N-VAR
（認為特別適合自己的）工作，職業
If you refer to your job or profession as your vocation, you feel that you are particularly suited to it.
例句
Her vocation is her work as an actress...她的職業就是當演員。She has no vocation for teaching.她不是當老師的料。