劳顿本是个业余歌手,直到40岁才成为专业歌手.

Lawton was an amateur singer until the age of 40, when he turned professional.

在歌唱比赛中，业余歌手战胜了大多数专业歌手真是难以置信。

It is incredible that amateur singer could have beaten the large number of professional at the singing contest.

这位业余歌手不愿意以虚情假意去假唱糊弄听众。

The amateur singer is reluctant to cheat the audience by lip-synching with a false display of affectation。