Domande riguardo a frasi esempio con, spiegazione d'utilizzo di "Tinder"s

A: When someone says "I'm a three out of ten." or just "I'm a three." it most likely means that the person is rating himself or herself out of ten based on looks.
So what the quote means is that the person's beauty is usually rated 3 out of 10, but the person's beauty is rated 4 out of 10 when his or her picture is taken in good lighting.

A: It means a rapid increase in this context. If you imagine Tinder usage being measured on a graph over time, there would be a sudden increase (which would look like a spike) in that graph around the beginning of the New Year. Hope that helps :)

A: They both mean the same thing. In the first one they are just repeating the verb “use” to make it clear, but that is already used once so it isn’t important.
Examples:
I’d rather ride a bike than ride a horse.
VS
I’d rather ride a bike than a horse.
Both mean the same thing, they just take out the extra verb because it’s already assumed that it’ll apply to both nouns. I don’t need to say “ride” twice because you know the ride applies to the bike and the horse.

A:

A girl I befriended on Tinder colored my hair.と言えます。

A: I don’t use Tinder much. Do you have LINE?

A: “tinder" 「火種」嗎

A: Whenever I try to meet up with a girl from Tinder, she never replies/responds to my messages.

A: × I watched The Tinder Swindler on Netflix last night.
✓ I watched The Tinder Swindler on Netflix last night.

× That movie is based on a real story.
✓ That movie is based on a real (or true) story.

× Criminal has seduced and swindler women for millions.
✓ The criminal has seduced and swindled women for millions.

× I was surprised he was using Tinder App after arrest.
✓ I was surprised he was using the Tinder App (?) after his arrest.

× I thought that swindler wasn’t big crime but it hurt victims feelings a lot.
✓ I thought that swindling wasn’t big crime but it hurt the victims feelings deeply.

A certain person = the, The. Did you mean the "Tender" ?

A: Thank you^_^

A: × For what do you use Tinder?
✓ What do you use Tinder for?

× for boyfriend?
✓ For a boyfriend?

× for sexfriend?
✓ For a friend with benefits?

× just for one night stand?
✓ Just for one night stand?

I've never seen the word "sexfriend" before. I think I get what you mean, but it's not a common word. In English (US) the word for "a friend we have sex with" is "friend with benefits". Typically a friend with benefits does not involve a long term committed relationship, but instead is just a friend that you have sex with sometimes.

A: I heard there are many English speakers on Tinder.

A: I think you might mean "in" Spain?