1.hinder 阻碍

The worry is that the effort to reach consensus may hinder bold change.

令人担心的是，为达成一致所做的努力，有可能阻碍大胆的变革;k,FGj|1M-NidxDhi[8H。

2.field trial (新产品等的)现场试验

The field trial result showed that the method was a new approach to acidize sandstone with high success rate and long term.

现场试验结果表明，该技术酸化增注成功率高，有效期长，是实现砂岩地层深部酸化的一种新途径xbZIJS-D5(B。

3.arise from 由……引起

Emotional or mental problems can arise from a physical cause.

身体上的原因可以引起情绪或精神上的问题&|&7_&T*z]2*u。

4.winnow out 淘汰

Those who have brains and courage come through all right. Those who haven't are winnowed out.

那些有勇气、有才智的人会平安度过，而没有的人将会被淘汰掉6lpNzXYfmo*h。