勝手に

Meaning

1. adv
   arbitrarily; of its own accord; without asking; voluntarily; willfully; as one pleases; selfishly; by itself; automatically

Example sentences

• 勝手に水質検査を行ったあげく浄水器を売りつけるなど、悪質な訪問販売が多発しています。

  There are frequent instances of malicious door-to-door selling, such as pushing water purifiers on people after carrying out water quality tests without permission.

• 大学出たての新人は資料を作ったり、コピーをとったりと裏方仕事に徹するのだろうと、勝手に想像していたのですが見事に裏切られました。

  I had imagined that the newbies fresh from university would probably be stuck with all the backstage work - collecting reference material, getting copies and such but I couldn't have been proved more wrong.

• 部屋におられない間に勝手に辞書をお借りしました。

  I took the liberty of using the dictionary while you were out of the room.