toughness   (TTS Sound)

The toughness has 4 Senses.

• toughness, stamina, staying power
• 強靭さ, 精力, タフネス, 岩乗さ, スタミナ, 根, 頑丈さ, 強堅, 根気, ねばり強さ
• enduring strength and energy
• 体力と気力を持続する

• toughness, huskiness, ruggedness
• 強靭さ, 頑丈さ
• the property of being big and strong
• 大きくて強い特性

• temper, toughness
• テンパー
• the elasticity and hardness of a metal object; its ability to absorb considerable energy before cracking
• 金属の物体の弾性と硬さ

• formidability, toughness
• impressive difficulty
• 印象的な難しさ