calling
n
1 profession; trade 职业; 行业.
2 strong urge or feeling of duty to do a particular job; vocation 对做某项工作的强烈欲望或责任感; 使命; 神的感召
He believes it is his calling to become a priest. 他认为当教士是自己的使命.
Perhaps in those days I was. Pierre and I did have a very good time at the ball. But that was the last moment of happiness in our lives. That night everything changed.