do a favour
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Related to do a favour: come off, stick with, in line with
do yourself a favour(British & Australian) also do yourself a favor (American & Australian)
something that you say when you are advising someone to do something which will have a good effect or will give them an advantage (often + and + do sth) You're looking really tired. Why don't you do yourself a favour and take a break?
See also: favour