having no use means that you are not good for anything.
Use your brain.
no not all the time
it means that you had relations with a men and that you didn't use a condom
You have minutes available to use to talk with without any extra fees.
Having fatigue doesn't mean you have a STD.
It will be free as long as you use it when you are connected to wifi.
You would use the spelling "S-shaped" to mean having a sinusoid shape.
It means the same as it does in everyday use: having a greater value.
On the road
It means you can use a lot of the players on the bench without having to worry about them messing it up.
挑む (i do mu) is a Japanese verb having different meanings because of its kanji. It could mean 'to make love', 'to challenge' and such depending on where to use.
Your having a period