A normal young person wants to be up and doing. Here “up and doing” means -

• Up and doing (phrase)

Meaning: Active/Busy
Bengali meaning: কর্মঠ, তৎপর।

Sentence: A normal young chap wants to be up and doing.
বাক্যের অর্থঃ একজন সাধারন তরুন সদাতৎপর থাকতে চায়।

অন্যদিকে,
• Making good progress and likely to become successful = Up and coming.
• Good enough for a particular activity = Up to something.
• A succession of both good and bad experiences = Ups and downs.

Source: Website Lecture