hoiunnyt becoduu
Sérieux (if what you are talking about is masculine) or serieuse (if what you are talking about is feminine)
Je m'ennuie de vous parler is i miss talking to you in french!
Ciel
Tu es incompétent if you are talking to a man Tu es incompétente if you are talking to a woman
The answer is "Conversation"
"Plus tranchant" talking of a knife
I'd probably say : "Courage !".
talkative is 'bavard' in French. That hints that someone is talking too much.
They say tu for one person, but if they are talking to a group of people, like the teacher talking to the class, they say vous, but saying vous is polite.
Elle parlait de toi
Thumbnails are called 'des miniatures' in French
If you are talking about senses, like your 5 senses, then it is called 'sens'.