勝手(かって)

人(ひと)の物(もの)を勝手(かって)に使(つか)ってはいけません。

You must not use other people's things without permission or at your own convenience. {one's own convenience, one's way, convenience or ease of use, knowledge of how to use, circumstances, situation (e.g. financial), environment, kitchen, arbitrary, unauthorised (e.g. phone app, WWW site), unofficial}

仕事(しごと)を首(くび)になったので、勝手(かって)が苦(くる)しいです。

I was fired from my job, so my financial situation is tough. {one's own convenience, one's way, convenience or ease of use, knowledge of how to use, circumstances, situation (e.g. financial), environment, kitchen, arbitrary, unauthorised (e.g. phone app, WWW site), unofficial}

父(ちち)が子供(こども)に：「お前(まえ)のことはもう知(し)らない！勝手(かって)にしろ！」

The father said to his child: "I don't care about you anymore! Do as you please!" {one's own convenience, one's way, convenience or ease of use, knowledge of how to use, circumstances, situation (e.g. financial), environment, kitchen, arbitrary, unauthorised (e.g. phone app, WWW site), unofficial}

社長(しゃちょう)の息子(むすこ)だからといって、勝手(かって)な行動(こうどう)を許(ゆる)すわけにはいきません。

Just because he is the president's son, we cannot allow him to act arbitrarily. {one's own convenience, one's way, convenience or ease of use, knowledge of how to use, circumstances, situation (e.g. financial), environment, kitchen, arbitrary, unauthorised (e.g. phone app, WWW site), unofficial}

この間取(まど)りは勝手(かって)が悪(わる)いとあって、なかなか入居(にゅうきょ)を希望(きぼう)してくれる人(ひと)がいない。

Given that this layout is inconvenient, it's no surprise that we're having a hard time finding people who want to move in. {one's own convenience, one's way, convenience or ease of use, knowledge of how to use, circumstances, situation (e.g. financial), environment, kitchen, arbitrary, unauthorised (e.g. phone app, WWW site), unofficial}