shut

　　He shut himself in the door to do his homework. 此句中shut用作及物动词,意为“关上,关闭”,这是shut的常用法。shut还有其它用法。如:

　　① Tell her to shut up. (shut up意为“不再谈话,闭嘴”。)

　　② He tried to shut out the view. (shut sb./sth. out意为“将某人/某物关在外面,遮住”。)