do any good
Improve a situation or effect a favorable result, as in Tell me if this new medicine does any good. [Early 1700s] A negative version, do no good, is slightly older (late 1600s); for example, All his explanations will do no good.
Words nearby do any good
do,
do a disappearing act,
do a double take,
do a job on,
do an about-face,
do any good,
do as i say,
do away with,
do blindfolded,
do by,
do credit to