to say something without thinking carefully or checking
深く考えずに何かを言うこと (fukaku kangaezu ni nanika o iu koto)
"Off the top of my head, I think there are five options."
"思いつきですが、選択肢は五つあると思います。" (omoitsuki desu ga sentakushi wa itsutsu aru to omoimasu)
to stay informed or at the same level as something or someon...
To start discussing the essential or most important aspects...
to do something very bad without being punished for it
a hacker with malicious intent
to protect your computer system or network from attacks
to gradually become more comfortable with someone or somethi...
