勝手(かって)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

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}