重点讲解：
1. hinge on 有赖于；取决于；
The plan hinges on a deal being struck with a new company.
该计划完全取决于正在和一家新公司洽谈着的一项交易XQ*@wCvg*.SH3ULX](i。
2. at first glance 乍一看；乍看上去；
At first glance, organic farming looks much more expensive for the farmer.
乍一看，有机耕作对农民而言似乎花费大多了F[vADw1Ilrgu*5ds%iw。
3. turn up 找出；发现；注意到；出现；
Investigations have never turned up any evidence.
调查从没发现任何证据5=P-5V;0sQy&SRCzU&。
4. fall out (头发、牙齿)掉落，脱落；
His hair is falling out.
他的头发在脱落tW.&LrwX2mUK_LgYLmr_。