restraint; hesitation; feeling awkward — being reluctant or reserved because one worries about troubling others.
彼の前では気兼ねして本音を言えない。
I feel so inhibited around him that I can't speak my true mind.
初対面の人に気兼ねする必要はないよ。リラックスして。
You don't need to feel awkward with someone you've just met. Relax.
実家に帰ると、親戚に気兼ねしてしまう。
When I go back to my parents' home, I end up feeling constrained around relatives.