do sb. good("And now I think that a few hours' sleep would do us all good, for I do not propose to leave before eleven o'clock, and it is unlikely that we shall be back before morning." – пойдут нам всем на пользу (Sir Arthur Conan Doyle)ART Vancouver)
stretch a point(в нарушение правил: ‘I promised to help my Uncle Charlie serve the refreshments in the drawing room.' ‘Scarcely your job, Jeeves?' ‘No, sir. But one is glad to stretch a point to oblige a relative.' (P.G. Wodehouse)ART Vancouver)