did better than to do(为什么用to do)

But their parents never explained why he'd been attacked or by whom, or mentioned that the stranger sitting in the living room from then on was a bodyguard - and the children knew better than to ask. 

老师好,请问句尾的than “to” ask怎样理解呢,than后面的动词形式通常不是应该前面的一致么。 

Three days later - her nose still in bandages, her eyes still black and swollen - 13-year-old Margo made her own way home to Scotland. 

这段话的结构我也不太懂。three days later 后面的 her nose 和her eyes 后面都没有加“is”,这是不是和句中“-” 这个符号有关呢?13-year -old 我倒是能明白在句中是作形容词用的。

 谢谢老师。

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最佳答案 2019-09-01 22:10

But their parents never explained why he'd been attacked or by whom, or mentioned that the stranger sitting in the living room from then on was a bodyguard - and the children knew better than to ask. 

老师好,请问句尾的than “to” ask怎样理解呢,than后面的动词形式通常不是应该前面的一致么。 

>>>>  know better than to do 是固定表达,一般词典上都会收录

我只能告诉你,后面用do/doing都错

(know better than to do XXX 意思是“还不至于(无知到)去做XXX”)


Three days later - her nose still in bandages, her eyes still black and swollen - 13-year-old Margo made her own way home to Scotland. 

这段话的结构我也不太懂。three days later 后面的 her nose 和her eyes 后面都没有加“is”,这是不是和句中“-” 这个符号有关呢?13-year -old 我倒是能明白在句中是作形容词用的。

>>>> 这是独立主格结构,如

The man came in, a book was in his hand. (X)

---> The man came in, a book being in his hand. (√)

---> The man came in, a book in his hand. (√√)

---> The man came in, with a book in his hand. (√√)


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  • wong 提出于 2019-08-29 23:58

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