

Ты сегодня какой-то вялый, не заболел?
You seem kind of sluggish today. Are you getting sick?
После гриппа я весь день чувствую себя вялым.
After the flu, I feel sluggish all day.
Почему ты такая вялая? Плохо спала?
Why are you so sluggish? Did you sleep badly?
"вялый" is in the lesson "Health" (Level 26), along with 12 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.