您要查找的是不是：
- It is unawareness of these bugs,for my own perspective,that put sand in the wheels of your further progress. 还有大量的实践经验表明只有精听，精读才能真正形成语言能力。
- The Obama administration has put sand in the gears of trade to appease a key domestic constituency. 奥巴马政府在贸易关系中制造摩擦是为了安抚国内的重要支持者。
- These days, it is differences in national regulations, far more than tariffs, that put sand in the wheels of trade between rich countries. 当前,是各国管理条例上的差异,而不是关税阻碍了发达国家之间的贸易。
- put sand in the machine raise sand 妨碍; 阻挠; 破坏
- The young man has plenty of sand in him. 这个年轻人有足够的勇气。
- There is a grain of sand in his eye. 他眼里有一粒沙子。
- put sand in the wheels raise sand 妨碍, 阻挠; 破坏
- We can see numberless grains of sand in a windy day. 在风天，我们能看到无数沙粒。
- They helped the workers shovel the sand in. 他们帮工人把沙子铲进去。
- There's no room for any more sand in here. 这里再也没有地方堆更多的沙子了。
- Don't dump that sand in the middle of the path! 别把沙子倾倒在路中央！
- There is some sand in the bottom of the tank. 这水池底部有些沙子。
- Don't dump that sand in the middle of the road. 不要把沙子倒在路中间。
- We can see numberless grains of sand in a windyday. 在风天,我们能看到无数沙粒。
- Don't dump that sand in the middle of the path. 不要把沙石乱倒在走道中央。
- The shelterbelt kept the sand in check. 防护林带挡住了风沙。
- There is a mass of sand in the yard. 院里有一堆沙子。
- There were grains of sand in her hair. 她的头发里有沙粒。
- We can see numberless grains of sand in windy day. 在风天，我们能看到无数沙粒。
- Let's clear away the sand in the yard. 我们把院子里的砂粒清扫干净吧
