I can't rest easy until he comes back.

Apologizing at this point is too late.

Mr. Tanaka, long time no see.

I commute by intracity tram every day.

I use a tram for commuting every day.

He intruded into our conversation.

How about trying a new restaurant?

It's not like he is a professional chef, so we can't expect much from the taste of his cooking.

I don't have the time or money even if I tried to get a girlfriend.

It's unnecessary to ask whether he passed the exam or not.