do by

verb

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

   employers do well by hard working employees

Idioms and Phrases

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

Yes, the Gunners were the better team on Sunday but Newcastle had lots of chances against Liverpool so they can definitely feel a bit hard done by.

From BBC

Emergency disaster relief is also expected to be largely unaffected, however other work done by disaster agencies will be affected.

From BBC

Forming a successful combo has only been done by some of the very biggest names.

From BBC

“And she was like, ‘Have it done by 12 o’clock,’ which is an amazing challenge.”

From Los Angeles Times

He "wishes the inquiry to explore whether more could have been done by those agencies" to prevent or minimise the risk of the attacks, a statement read to the inquiry said.

From BBC