☆ ADVANCED LEVEL : 1 ☆☆ INTERMEDIATE LEVEL : 0 ☆☆☆ ELEMENTARY LEVEL : 1 ALL : 2

• 튼튼하다 : 매우 단단하고 굳세다. ☆☆☆ Adjective
🌏 STRONG: Very hard and firm.

• 튼튼히 : 매우 단단하고 굳세게. ☆ Adverb
🌏 STRONGLY: In the manner of being very hard and firm.

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