"I'd rather not dwell on the past," he told me.

“我宁愿不多想过去，”他告诉我。

I shut out the memory which was too painful to dwell on.

我不让自己去回忆那段会引起我太多痛苦的往事。

So you made a mistake, but there's no need to dwell on it.

你是错了，不过不必老是想着这事儿。

Her mind sheered away from images she did not wish to dwell on.

她有意不去想那些她不愿多想的事情。

A great number of water fowls dwell on the island.

许多水鸟在岛上栖息。