like: chính phương
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BEGINNER LEVEL
exact:
VNEN 
chính phương * ☊ 
square, quadratic * ☊
[ chính ] : main, principle, chief; self, own; exactly, just, precisely
[ phương ] : (1) direction, distance, (cardinal) point (of the compass); (2) method, way, means, facility; (3) perfume, fragrant; (4) square; (5) hindrance, harm; (6) to compare; (7) measure of grain
[ chính ] : approval
[ chính ] : major