1
do well/badly by sb
常用副词修饰 do by，表示对待方式。
He did well by his children.
他对孩子们很好。
对待；相处
先理解核心含义，再看它在真实句子里的用法。
对待；相处
interact in a certain way
He did well by his children.
他对孩子们很好。
以某种方式对待或互动
interact in a certain way
do by
Base
原形
does by
3rd person
第三人称单数
doing by
-ing
现在分词
did by
Past
过去式
done by
Past participle
过去分词
We always do well by our customers.
我们总是善待客户。
She did right by her team last year.
她去年公正地对待了她的团队。
He has never done ill by anyone.
他从未亏待过任何人。
do by 常与 well、right、ill 等副词连用，表示以某种方式对待某人。
You have always done well by me.
你一直对我很好。
The teacher did fairly by all students.
老师公平地对待所有学生。
He felt that life had done badly by him.
他觉得生活对他不公。
常用副词修饰 do by，表示对待方式。
He did well by his children.
他对孩子们很好。
right/wrong 表示公正或不公正。
They did wrong by their employees.
他们对待员工不公平。
Not this
How did your boss do you?
Use this
How did your boss do by you?
中文母语者容易漏掉介词 'by'，因为 'do' 本身不表示'对待'。加上 'by' 后，'do by' 才表达'对待'的意思。
Not this
I don't know how to do by this machine.
Use this
I don't know how to handle this machine.
'do by' 只能用于人，表示'对待'，不能用于无生命的物体。对于机器等物品，应使用 'handle' 或 'deal with'。
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Dictionary facts from ECDICT, WIKTIONARY.