give a good account of (oneself)
To perform well or admirably. I'm worried that I didn't give a good account of myself in that job interview today.
give a good account of oneself
Fig. to do (something) well or thoroughly. John gave a good account of himself when he gave his speech last night. Mary was not feeling well, and she didn't give a good account of herself in last night's game.
give a good account of oneself
Behave or perform creditably, as in Harry gave a good account of himself over the last few months, or The company will probably give a good account of itself in the next quarter. This expression transfers a financial reckoning to other affairs. [c. 1600]
give a good (or bad) account of yourself
make a favourable (or unfavourable) impression through your performance or actions. give a good account of (oneself)
To behave or perform creditably.