及およばずながら

adverb

to the best of my ability, poor though it be

Humble expression used when offering one's help, opinion, or effort, acknowledging one's own inadequacy while still doing what one can. Often used in formal or polite contexts.

• 及およばずながら、お手伝てつだいさせていただきます。

  Though I may not be of much help, please allow me to assist you.

• 及およばずながら、私わたしの意い見けんを述のべさせていただきます。

  For what it's worth, I would like to offer my opinion.