it does no harm (for someone) to do (something)(redirected from it does no harm for him to)
it does no harm (for someone) to do (something)
Doing something may be good, pragmatic, or beneficial, and will not cause any problems or harm. The contractor might not be willing to go any lower on the price, but it does no harm to ask. Sure, you might not be accepted for the PhD program, but it does no harm for you to try, does it?
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