Don't hesitate to practise your imperfect English with native speakers; they are usually supportive.

imperfect 由前缀 im-（表示"否定"）和形容词 perfect（"完美的"）组成，字面意思是"不完美的"。在句中形容英语水平还不够完美，但鼓励学习者大胆使用。