彼は一日たりとも自分のしたことを後悔せずに過ごした日はなかった。の英語

Not a day passed by but he regretted what he had done.

Not a day went by when he didn't regret what he'd done.

Never a day passed without his coming to see me.

He had to go without food for days.

He's idling his days away.

If it is not that day, then he just can't come.

I met him yesterday—no, I tell a lie—it was the day before yesterday.

He did not show up on that particular day.

He continued working without even a break for the whole day.

Not a day passed that he did not go [without his going] to the laboratory.

He hasn't come since that day.

He idled away a whole day.

He said how glorious the sunset was.

Business kept him out all day.

He wasted his whole day doing nothing in particular.

He does not come here every day.

He had a fun day.

He will be back in a day or two.

He never goes out after dark.

He sometimes stays away from home for days on end.

Day by day he seemed to get better.

He had to spend many barren day.

He had to spend many barren days.

He hadn't eaten all day long and was very hungry.

He will be back in a day or two.

No weather was severe enough to keep him indoors.

He slumbered out the whole day.

This much is certain―Thus much is certain―that he was away from home on the day in question.

He wrote up his diary every evening.

He likes to spend some time in solitude every day.