

Этот лимон очень кислый.
This lemon is very sour.
Сок какой-то кислый, попробуй.
The juice tastes kind of sour, try it.
Ты любишь кислый соус?
Do you like sour sauce?
"кислый" is in the lesson "Seasoning" (Level 12), along with 16 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.