<正> to 一般是介词或动词不定式的标记,但有时也用作副词。它的副词用法较特殊,应当引起人们的注意。下面是笔者收集的四种用法。 1.(门窗等)关上,虚掩着 Is the door to?门是否关好了? The door was blown to.风吹把门关上了。 You’d better leave the door to.你最好让门虚掩着。 2.开始(干),着手(干)[用以构成 turn to 或 fall to] They took off their coats and fell to. 他们脱掉外套,开始干了起来。