まったく・・・つきあいが長くなってくると、どいつもこいつもお前に毒される。

tbd

Oh boy ... when they hang out with you for long everyone ends up picking up your bad habits.

高校時代からつきあっている彼氏はいるものの、つきあいが惰性になっていると感じ、不満をつのらせている。

tbd

She has a boyfriend she's been going out with since high school, but she feels their relationship has stagnated, so she's become dissatisfied.

She has a boyfriend she's been going out with since high school, but she feels their relationship is in a rut, so she's become discontented.

She has a boyfriend she's been going out with since high school but feels their relationship has become a matter of habit and is increasingly dissatisfied.

一郎はどことなく傷ついたように言ったが、それが嘘っぱちであることはこいつとの長年の付き合いが教えてくれた。

tbd

Ichiro sounded somehow upset but my long years of hanging out with him told me that it was out and out fake.

付き合いがいやなわけではないが疲れているのだ。

tbd

I don't mean to be antisocial, but I'm tired.

I don't mean to be unsociable, but I'm tired.

彼らとのつきあいは長く続かなかった。

tbd

My association with them didn't last long.

彼は町の人みんなと付き合いがあった。

tbd

He was acquainted with everybody in town.

他与村里的人有过来往。

彼は知事と長年の付き合いです。

tbd

He is the governor's longtime companion.

彼は人付き合いがよくない。

tbd

He doesn't mix well.

彼は近所付き合いがよい。

tbd

He gets along well with the people in his neighborhood.

彼はつきあいが悪い。

tbd

He is unsociable.