Some examples of word usage: complaining
1. She is always complaining about her job. - Ella siempre se está quejando de su trabajo.
2. Stop complaining and do something about it. - Deja de quejarte y haz algo al respecto.
3. They were complaining about the long wait at the restaurant. - Ellos se quejaban de la larga espera en el restaurante.
4. I heard him complaining about the cold weather. - Lo escuché quejarse del clima frío.
5. Instead of complaining, why don't you try to find a solution? - En vez de quejarte, ¿por qué no intentas encontrar una solución?
6. The customers were complaining about the poor service they received. - Los clientes se quejaban del mal servicio que recibieron.