He was a geologist,rated by his cronies as the best in the business.

他是一位地质学家,被他老朋友看做是这门行当中最好一位。

He is an outstanding walnut fondler, collector, and appraiser.

他是把玩、收藏、核桃行当中佼佼者。

They put in place the tools of my new business.

他把我干这一新行当所需具安放得井井有条。

You’ve missed your vocation, Mary, you should have been a nurse!

你找错了行当, 玛丽, 你该当护士。