

Ты мой лучший друг!
You're my best friend!
Это лучший день в моей жизни.
This is the best day of my life.
Кто здесь лучший повар?
Who is the best cook here?
"лучший" is in the lesson "Praises" (Level 36), 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.