重點講解：
1. close down
（工廠、商店、學校等）永久性關閉；（使）停業；（使）倒閉；
eg. When they did leave, it caused the local supermarket to close down.
當他們真走了之后，當地的超市也隨即關門了CSa_Ttx.tUWFnpk。
eg. They wanted to close down the railway line, but hundreds of people objected.
他們想停止使用那條鐵路線，但遭到數百人的反對3Zdvp;dq,t;bt8T^。
2. pick up
拿起；提起；拾起；撿起；
eg. Send an email or pick up the phone and call those people you wish to see over the holidays.
給那些你想在節日里見到的人發郵件或拿起電話打給他們#YzcczG*c3aBmYD3_(。
eg. They depend on the goodwill of visitors to pick up rubbish.
他們相信游客會自覺撿起垃圾[3S(vP.ZXSLDC。
3. at first
最初；起初；開始時；
eg. The finding was at first puzzling.
該發現起初讓人感到困惑+PCscqEeA|Bfz。
eg. At first progress was slow.
開始時進展比較緩慢8o^;qE&W0^C*E4q。
4. cut up
切碎；切開；
eg. The woman cut up the watermelon and shared it out among the four boys.
那婦人把西瓜切開，分給四個孩子ukM&MYc8_N4u@D*[@T(0。
eg. Scraps of material were saved, cut up and pieced together for quilts.
邊角碎料都保留下來，剪好后拼在一起做成被子U&nFoa1sB;W。
5. at least
（表示相對于不利條件或糟糕情形）起碼，不管怎樣；
eg. At least you made that speech.
起碼你還發表了那番演說JJonVwgozK8+y;W9^。
eg. At least this second meeting had helped to thaw the atmosphere.
這第二次會議至少起到了緩和氣氛的作用mFRJ2|U2oc.1(IJc&lI。