It would seem an over-doing, as it were, of my own importance.
"Over-doing in work is not likely to lead to under-doing a breakdown," Miss Bradbury replied to Mrs. Scollard's remark.
Truly Greek is the thought, for the Greek maxim above all others was moderation, no over-doing.
If you are a comic actor, don't run away with the piece by over-doing your fun.
Further, the over-doing of muscular culture is responsible for the consumption of a large amount of energy.
She smiled at him too much, over-doing her professional cordiality; underneath the effusiveness, he sensed the repulsion.
Not too happy; there was no over-doing of the matter; happy in a thoroughly well-bred, perfectly unmeaning way.
"Not in the least," she replied, over-doing her part by touching his hand lightly with her fingers.
We are all in favour of popularising aviation, but we think this is over-doing it.