doctor前邊可以加冠詞a,例如:
1、You'd better see a doctor about that cough.你最好找醫生治治你的咳嗽。
2、I tried to persuade her to see a doctor.我極力勸她去看醫生。
3、Don't just stand there, man ─ get a doctor!你這傢伙,別隻是站着——趕緊去找醫生呀!