see作主动态时用作to see somebody do something, 而用作被动态时则是somebody to be seen to do something. 要注意惯用法let me see(让我想想)。 [误] He was seen leave the room. [正] He was seen to leave the room. [析] see作主动态时用作to see somebody do something, 而用作被动态时则是somebody to be seen to do something. 要注意惯用法let me see(让我想想)。