9. You'd better have this letter weighed.
你最好稱一下這封信。
還能這樣說(shuō)：
You'd better weigh this letter.
You have to weigh the letter.
應(yīng)用解析：
attach weight to sth. 重視；
by weight 按重量計(jì)算；
feel the weight of sth. 感到……的壓力；
put on weight 體重增加，發(fā)胖；
throw one's weight about 濫用權(quán)勢(shì)；仗勢(shì)欺人
10. Please drop the letter into the letter-box.
請(qǐng)將信投到信箱里。
還能這樣說(shuō)：
Please push your letter in the post office box.
You can drop your letter in the mailbox.
諺語(yǔ)：
The tears of a man drop onto his chest.
男兒有淚不輕彈。
11. The last mail goes out at 9:00 in the evening.
最后一趟郵班是晚上9：00。
還能這樣說(shuō)：
The last post is going to be dispatched at 9:00 in the evening.
You can send away your letter in the evening mail of 9:00.
應(yīng)用解析：
last out 還夠用，支持下去；經(jīng)得起；拖過(guò)；
in the last resort 最后手段；
the last word (in sth.) 最時(shí)髦，最先進(jìn)的東西
12. Don't forget to stick a stamp.
別忘了貼郵票。
還能這樣說(shuō)：
Remember to affix a stamp.
Don't forget to attach a stamp.
應(yīng)用解析：
cross as two sticks 情緒很不好；
at a stick 為難，困惑；
be on the stick 機(jī)靈；能干；
be stuck 受騙；被困住