dwell on/upon

1. 老是想著；停留在；沉湎於
   He likes to dwell on details, while I look at things from a broad perspective.

   他喜歡沉湎於細節，我則大處著眼。

   You should not dwell too much on your past failures.

   你不應該老是想著過去的失敗。

2. 詳細論述
   She did not dwell on the details of the matter.

   她沒有多講事情的細節。