

Не надо жаловаться, всё уже исправили.
There's no need to complain, everything has already been fixed.
Кому можно жаловаться на плохое обслуживание?
Who can I complain to about poor service?
Соседи часто жалуются на шум.
The neighbors often complain about the noise.
"жаловаться" is in the lesson "Issues" (Level 45), 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.