我不想沉溺于过去。

I don't want to ___dwell ___on the past.

考虑到这个惊人的技术特点，我不希望在这个问题上停留太久。

Considering this astonishing technical feature, I do not wish to ___dwell ___upon the subject.

心理学家建议不要长时间纠结于负面想法。

Psychologists advise against ___dwelling ___on negative thoughts for too long.