GbEng
他顺便提到他有一辆新汽车。 He mentioned in passing that he had a new car.
到伦敦时顺便来看我。 Drop in and see us when you're next in London.
还好。顺便问一下,你母亲怎么样?她好吗? Not bad. By the way, how is your mother? Is she all right?
也许就是路过顺便来看看。 Maybe he just came by to drop in.