構(かま)わないno problem, it doesn't matter

上司(じょうし)：「もう家(いえ)に帰(かえ)って構(かま)わないよ、お疲(つか)れ！」

Boss: "You can go home now, no problem. Good job!" {no problem, it doesn't matter}

なりふりを構(かま)わない彼(かれ)は社会(しゃかい)人(じん)として失格(しっかく)である。

He is disqualified as a working adult because he has no problem disregarding appearances. {no problem, it doesn't matter}

彼(かれ)は「もうどうなっても構(かま)わない！」と自暴自棄(じぼうじき)になった。

He became reckless, saying, "I don't care what happens anymore!" {no problem, it doesn't matter}

客(きゃく)：「ここに腰(こし)をかけても良(よ)いかしら？」職員(しょくいん)：「構(かま)わないですよ！」

Customer: "May I sit here?" Staff: "No problem!" {no problem, it doesn't matter}

身(み)なりに構(かま)わない社員(しゃいん)にお客(きゃく)さんの接客(せっきゃく)をさせるわけにはいきません。

We cannot let employees who don't care about their appearance serve customers. {no problem, it doesn't matter}