黙もだし難がたい

i-adjective

hard to refuse; unable to decline

Used when a request, invitation, or situation is so compelling that one cannot easily say no. Often implies social pressure or a strong sense of obligation.

• 彼かれの頼たのみは黙もだし難がたいものだった。

  His request was hard to refuse.

• あの笑え顔がおで誘さそわれると、黙もだし難がたい気き持もちになる。

  When invited with that smile, I find it hard to say no.