get along well with him; make things work with him
彼とうまくやっていくことはできない。
I can't get along with him.
彼とうまくやっていくのは難しいよ。
It's hard to get along with him.
彼とうまくやっていくのは大変難しい。
It's very difficult to get along with him.
彼とうまくやっていく自信がない。
I'm not sure I can get along with him.