坚强的英文-“坚强”英语怎么说？

strong就可以 
1. 他成长为一名坚强的领导人。 
He developed into a strong leader. 
2. 一个坚强的人会忍受困苦而不抱怨。 
A strong man will bear hardship without complaining. 
3. 他是个坚强而沉默的人。 
He is the strong, silent type. 
4. 敌人的防线很坚强, 但仍为我军突破。 
The enemy's defenses were strong but our soldiers broke through.