“不熟练”用英语怎么说

他太缺乏经验，太不熟练，难以成功。He was too inexperienced and too inexpert to succeed.他对工作还不熟练.He is raw to his work.他开车不熟练.He was inexpert in driving an automobile....

“不熟练”的拼音为：bù shú liàn...