重點講解：
1. as soon as 一…就…；
例句：As soon as we opened the front door we could smell the gas.
我們一打開前門，就聞到了煤氣的味道@Sy5ZOm_J4^Gr7Z0UJ。
2. tell apart 區分；區別；辨別；
例句：The twins look so much alike that you can hardly tell them apart.
這對雙胞胎長得一模一樣，簡直分不出誰是誰-G|hv5=MpSo0A;HFXc。
3. come up with 想出，提出(計劃、想法等)；
例句：I've racked my brains, but I have not yet to come up with any solution to the problem.
我已經絞盡腦汁了，但是還沒給那個問題找到任何答案QV^BicH,miI4d5.vA5。
4. stand up (要求或證據)經得起檢驗，能夠成立；
例句：He made wild accusations that did not stand up.
他的指控毫無根據，根本站不住腳4t,rDzp1-3dWS。