He's quick on the uptake. 他的理解力很强
He's a fast learner.
He has a quick mind.
He catches on quickly.
He'll never let you down. 失望
He finished the job already.
He's efficient. 他真能干。
He does things well and he gets them done quickly.
He gets things done efficiently.
He handles things quickly.
He handles matters promptly.
He's a good guy.
He's a good man.
He's a good person.
He looks old for his age. *adj+for,比…
He's only 46.
He looks older than he is.
He looks young for his age.
You look younger than me.
We're the same age.
You look younger than I do.