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do by

British  

verb

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

    employers do well by hard working employees

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

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

From MarketWatch • Dec. 30, 2025

Plus eight of the World Cup’s 12 third-place teams will advance to the round of 32, something Curacao would likely do by winning just one of its three group-play games.

From Los Angeles Times • Dec. 9, 2025

I had to buy my own uniform and meet all other expenses; this I tried to do by working part-time for the Smiths.

From "Kaffir Boy: An Autobiography" by Mark Mathabane

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