Practise the thinking. Keep the judgement.
さすが (sasuga): As expected; just what one would expect
さすが
sasuga
Meaning
As expected; just what one would expect
Two original examples
さすが先生、説明が分かりやすいです。
As expected of a teacher, your explanation is easy to understand.
三時間も歩くと、さすがに疲れます。
After walking for three hours, even I get tired.
Usage and distinctions
さすが often recognises an ability or result that fits someone’s reputation. In さすがに it can instead mark reaching a limit or conceding that something is true. It is not interchangeable with every English “of course”.