even if only a little; to some extent; in the slightest way (used to indicate any degree, however small)
多少なりとも役に立てば幸いです。
I would be glad if this can be of even the slightest help.
彼の意見には多少なりとも賛成できる部分がある。
There are parts of his opinion that I can agree with to some extent.
問題が改善されるなら、多少なりとも努力するつもりだ。
If the problem can be improved, I intend to make at least some effort.