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- The spirit is willing but the flesh is weak. 心有余而力不足。
- Ouch! The sand is so hot! I can burn my feet. 哎哟！沙子这么烫！会烫伤脚的。
- The sand blew into the food and made it gritty. 砂吹进食物中，里边尽是砂子。
- The shock make me go all weak at the knee. 这件事把我吓得两腿发软。
- The children were playing in the sand pit. 孩子们在沙坑中玩耍。
- You must be weak in the head if you believe that. 你相信那件事可就太傻了。
- The tractor has make deep furrow in the loose sand. 曳引机在松软的沙土上留下了深深的车辙。
- He cannot run because he has a weak heart. 他有心脏病，不能跑。
- A fearful person is a weak person. 怕这怕那的人是软弱的人。
- The sun blazed down on the sand. 阳光强烈地晒在沙滩上。
- His company was built on the sand. 他的公司根基不稳固。
- The shock made me go all weak at the knees. 这件事把我吓得两腿发软。
- 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。
- The river has scour out a passage in the sand. 这条河在沙土中冲出一条水道。
- 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 boat grounded on a sand bank. 船只搁浅在沙洲上。
- The kid dug a tunnel in the sand. 小孩在沙堆里挖了一个地道。
- He is weak with hunger, so I have to support him. 他饿得没有力气，我得搀着他。
- He pushed a weak student through the exam. 他帮助一位成绩差的学生通过了考试。
- He was too weak even to lift his hand. 他虚弱得连手都抬不起来。
