您要查找的是不是：
- to do remedial exercises for a weak back 为有病的背部作矫正运动练习
- The spirit is willing but the flesh is weak. 心有余而力不足。
- She was so weak and exhausted that she had to lie back. 她这样虚弱和疲备以致不得不把身体向后靠着。
- Rose bushes shoot again after being cut back. 玫瑰丛修剪後还能再长出新枝。
- The shock make me go all weak at the knee. 这件事把我吓得两腿发软。
- He trudge three hour in the snow to get back home. 他在雪中跋涉三个钟点才回到家。
- You must be weak in the head if you believe that. 你相信那件事可就太傻了。
- The crowd fell back to let the players through. 人群后退让运动员们通过。
- He cannot run because he has a weak heart. 他有心脏病，不能跑。
- Do exercise every day and you'll be back in condition. 每天锻炼锻炼，你很快会恢复健康的。
- A fearful person is a weak person. 怕这怕那的人是软弱的人。
- The ship beat back against a monsoon. 船逆着季风艰难地行驶。
- The shock made me go all weak at the knees. 这件事把我吓得两腿发软。
- I flap the flies away but soon they fly back. 我把苍蝇赶走，但一会儿又飞回来了。
- His weak chest was a legacy of a childhood illness. 他那瘦弱的胸脯是儿时患病的后遗症。
- I never lend books; you never get them back. 我的书决不外借，因为总是有去无回。
- She leaned her head back and whispered the news. 她向后仰着头，小声说出了这个消息。
- In a weak moment, I agreed to pay for her holiday. 我一时心软同意了支付她度假的费用。
- The talks have been put back to Friday morning. 谈判推迟到星期五早上进行。
- He is weak with hunger, so I have to support him. 他饿得没有力气，我得搀着他。
