Gaara's opponents are setting up a trap and he is later caught in their secret jutsu, the Reverse Scale Position, and his sand is completely sealed.
Just what I’d expect from
Gaara of the Sand.
هذا ما توقعته من غارا الرمل
Das hatte ich von Gaara
aus Sunagakure erwartet.
No esperaba menos de Gaara de la Arena.
No esperaba menos de Gaara de la Arena.
Non mi aspettavo altro 
da Gaara della Sabbia.
Como esperado do Gaara do Deserto.