

Надо заботиться о своём здоровье.
You need to take care of your health.
Кто будет заботиться о собаке?
Who will take care of the dog?
Родители должны заботиться о детях.
Parents must take care of their children.
"заботиться" is in the lesson "Verbs 14" (Level 26), along with 10 other useful words. LinDuo has 180 topic lessons like this one, 2,380 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.