After he won the amateur championship he turned professional.(他获得业余赛冠军后就转为职业运动员了。)
The challenge here, of course, is ensuring that what an amateur community considers to be responsible.(当然，这里的挑战是，要确保业余社区考虑的东西是负责任的。)
The same applies to the deliberate amateur who is, so to speak, a professional in training.(同样的道理也适用于有意为之的业余人士，他们可以说是训练中的专业人士。)
She was a keen amateur photographer.(她是一个痴迷的业余摄影师。)
In 1969, the Radio Amateur Satellite Corporation (AMSAT) was created in order to foster ham radio enthusiasts' participation in space research and communication.(1969年，无线电业余爱好者卫星社团（AMSAT）成立以促进自满的业余无线电爱好者参与太空研究和交流。)
Mynn is an amateur at table tennis.(米恩是一位乒乓球业余爱好者。)
He was apparently much surprised at the news that the amateur athlete beat the professional one who ranked top ten.(他显然对那位业余运动员击败了排名前十的职业运动员的事实感到非常惊讶。)
Brian considered Sam a lightweight, a real amateur.(布赖恩认为萨姆是个无足轻重的人，是个真正的业余选手。)
In 1965, military historian and amateur diver Alexander McKee, in conjunction with the British Sub-Aqua Club, initiated a project called 'Solent Ships'.(1965年，军事历史学家和业余潜水员亚历山大·麦基与英国潜水俱乐部合作，发起了一个名为“索伦特船”的项目。)
An amateur hatmaker has won a scholarship to pursue her dreams of developing her own business.(一位业余制帽匠赢得了一笔奖学金，来实现她扩展自己企业的梦想。)
