üzünü ağartmaq
to show oneself at one’s best / to put on the best front possible / to do one’s best / to be equal to task / not to disgrace oneself / not to make a poor showing / not to be found wanting / to give a good account of oneself / to make the best of a bad bargain (business, job) / to make the best if it / to acquit oneself well / to come out on top / to come up to scratch / to have done oneself proud
не ударить лицом в грязь (показать себя с лучшей стороны)