写一篇短文，介绍香港歌手周华健，词数100字左右，要点如下：
1． 华健是香港著名歌星，中学时代就对音乐感兴趣。
2． 他曾参加过当地（local）无线电台举办的歌唱比赛并获一等奖。
3． 19岁去台湾上大学，由于不会讲普通话而被嘲笑并视为“乡下仔”。次年，他去饭店当歌手。
4． 四年的一天，当周华健在饭店演唱时，一个唱片公司经理被其歌声所打动，并邀请其加入他们公司。经过仔细考滤后。周决定放弃学业去当职业(professional)歌手。
zhou huajian, a well known pop singer was born in hong kong. he took interest in music when he was a high school student. once he took part in singing competition held by the local radio station ,and won the first prize.
at the age of 19, he went to a university in taiwan province. as he was not able to speak putonghua, he was laughed at and treated as a “country boy”. the next year,he went to work as a singer in a restaunt, where he sang for four years .one day when he was singing in the restaunt, a record company manager noticed him and was greatly surprised at his voice. so he invited him to join his company.after thinking it over,zhou decided to give up his studies to be a professional singer.