Problems were solved on an ad hoc basis.
The actress often forgot her lines but was very good at ad libbing.
I had forgotten to bring my notes and had to speak ad lib.
I don't want to go on working here ad infinitum.
Having been together for more than60 years, Eric and Betty were regarded as the Darby ad Joan of he village.
That's an interesting ad.
Fished all day without a bite; an ad that got a few bites but no final sales.
I got four replies to my ad about the bicycle for sale.
1. =active duty 【军】现役
2. =air-dried 空气干燥的, 风干的
3. =after date 【商】发票后定期付款