Strengthen up

Pronunciation: /ˈstɹɛŋθən ˈəp/

Strengthen up (verb)

  1. To become stronger or more effective, especially after being weak or not working well.
  2. To try harder and do things better, often because your performance is not good enough.
  3. To add support or protection so something becomes harder to break, damage, or fail.

Examples

  • The team strengthens up after regular training.
  • I strengthen up when I sleep well.