do by

British  

verb

1. (intr, preposition) to treat in the manner specified

   employers do well by hard working employees

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do by Idioms  

1. Behave with respect to, treat, as in John was determined to do well by his children. This idiom was first recorded about 1175.

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Example Sentences

See Examples For:

do by

No, the analogy can’t take us that far; there are no ingredients here, just a calculation you could, in principle, do by hand.

From Slate ● May 25, 2026

Meanwhile, the EIB is limited in what it can do by structural constraints: Its own policies prevent it from financing weapons and ammunition.

From Barron's ● Apr. 13, 2026

They said he will continue to take part in club diversity programmes in addition to the training he has been told to do by the FA.

From BBC ● Mar. 4, 2026

“Tons of people I work with learned what not to do by the manager they had,” Wasserman says.

From MarketWatch ● Dec. 30, 2025

But it has never come under the domination of any outside institution or governmental agency, nor has it ever been told what to do by any outside group.

From "The Lives of a Cell" by Lewis Thomas