Tom'un bir seferde sadece bir ziyartçisi olması gerekiyor.
- Tom is only supposed to have one visitor at a time.
O, bir seferde altı kutu taşıdı.
- He carried six boxes at a time.
Hiç kimse bir defada birden daha fazla şey yapamaz.
- No one can do more than one thing at a time.
Birisi bir seferde birden fazla şey yapamaz.
- One can't do more than one thing at a time.
One at a time, please! I can't hear you if you all talk at once.
climb stairs two at a time.
He manages to abstain from smoking for weeks at a time, but then gives in and starts again.