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.
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.
Having fatigue doesn't mean you have a STD.
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