Phrase
do by
verb
对待；相处
interact in a certain way
- 1.
interact in a certain way
以某种方式对待或互动
以某种方式对待或互动；对待
In use
You have always done well by me.
The teacher did fairly by all students.
He felt that life had done badly by him.
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。
do right/wrong by sb
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。
Verb forms
base do by · third person does by · -ing doing by · past did by · past participle done by
do by 常与 well、right、ill 等副词连用，表示以某种方式对待某人。
Common mistakes
How did your boss do you?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。
I don't know how to do by this machine.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'。
Connections
Dictionary facts from ECDICT, WIKTIONARY.