

Я люблю наблюдать за птицами в парке.
I love watching the birds in the park.
Врач наблюдает за ним уже целый месяц.
The doctor has been monitoring him for a whole month.
Мы долго наблюдали, как дети играют во дворе.
We watched the children playing in the yard for a long time.
"наблюдать" is in the lesson "Verbs 10" (Level 22), along with 11 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.