1.Moderate or vigorous aerobic activity is needed, but you also need strength training exercise two days a week.
中度或者剧烈的有氧运动是必须的，但是你还是需要每周2天的力量训练。
2.you don't need strength to let go of something. what you really need is understanding.
放弃并不需要花费多大的力气，你真正需要的是把事情看通透了。
3.If you feel the need to protest against this rotten remuneration system, you need strength in numbers.
你感到有必要对腐败的薪酬体系抗议，你需要数字的支持。
4.To my mind, I think we need strength, not impulse; we need courage, not rashness.
我觉得，我们需要的是冲劲，不是冲动，是胆识，不是胆量，是智勇双全，不是有勇无谋。
5.Strength, I need strength!
力量，我需要力量！
6.A wrestler must need strength.
摔跤运动员必须要有力量。
7."I need strength because I have to open the door. "
“我需要有足够的力量去开门。”