If they don't smell, sure.
If you want to wash them for your friend, sure.
If they smell and you aren't going to wash them, then no.
The parable of a good friend and a bad friend is that of a carrier of musk and a blacksmith. The carrier of musk will give you some, or you will buy some, or you will notice a good smell; but as for the blacksmith, he will burn your clothes or you will notice a bad smell.
Clothes that are not dirty or smell bad.
The clothes smell bad and need to be washed.
to decrease your chance of infection, and so you don't smell bad! ;)
Your smell is on the clothes and is familiar to the cat.
Until the clothes are washed.
gasoline odor removal from clothes
wash them.
Burn them
You can get turpentine smell out your clothes in a couple of ways. The most common way is to soak the clothes in vinegar before washing them. Airing out clothes outside can also help with the smell both before and after washing.
To get rid of the smell in clothes that you've left in the washer too long.......put your washing machine cycle on the rinse cycle, let it fill with cold water and put in 1 to 2 cups of White Vinegar. Let the clothes soak for 15 to 20 minutes and then start the cycle again so they can spin. By that time they should be ready for the dryer and your clothes will smell nice and clean.
A car may smell like sweat due to gym clothes, or other workout clothes, being left in the car.