韧性（1）

Toughness

He liked their toughness and their loyalty.

他喜欢他们的坚韧不拔和忠贞不二。

The work calls for endurance and patience.

这项工作要求有韧性和耐性。

And because it is a tenacious force that will not stop growing until it is grown.

有韧性，不达目的不停止的力量。

First we work on speed, quickly, quickly, then, toughness.

首先我们要训练速度,快,然后是力度。

Muscle-building exercises involving muscular contractions against resistance.

增加肌肉韧性的练习。

Swimming can help develop one's strength,

游泳有助于增强体力、

flexibility and stamina and can keep you in shape.

韧性和耐力，保持体型。

Such exercises as keeping us strength and flexibility and stamina are important.

能够提高我们的体力、韧性和耐力的运动很重要。

He had developed his unusual toughness by working out daily at a gymnasium.

他每天在体操房里顽强地苦练，终于练得非常强健坚韧。

Talent, hard work and sheer tenacity are all crucial to career success. 

事业要成功，才能、勤奋和顽强的意志都至关重要。