1.
Approved ( unapproved ) merchandise
（海关）放行、通过（不放行、不通过）商品
2.
Conductors let electricity through, but insulators don't let through.
导体让电流通过，而绝缘体则不让通过。
3.
No inspection unit ever passed combat.
通过检查的单位从来通不过实战考验。
4.
The aisles were packed solid.
过道上也挤得水泄不通。
5.
and it was impossible to risk the passage.
冒险通过是不可能的。
6.
This is usually an unnecessary refinement.
这通常不必过分精细。
7.
I'm worried that I'll fail in the exam
我担心我将通不过考试。
8.
persuade through constant efforts.
通过不断的努力来劝服。
9.
The elephant is very big. It can't pass through the door.
大象太大，通不过这扇门。
10.
inability to recognize objects by use of the senses.
不能通过感官辨认物体。
11.
Electric current cannot go through insulation, just as water cannot go through iron.
电流不能通过绝缘体，正象水不能通过铁块一样。
12.
The guard won't let anyone through the gate without a pass.
哨兵不让没有通行证的人通过大门。
13.
I'm not stupid; but I don't know anything about money.
我是不笨，不过对钱的事，我一窍不通。
14.
educated by your own efforts rather than by formal instruction.
通过自己的努力而受教育，不是通过正式的教育。
15.
A foreign language can't be ta* ght, it must be cearnt.
二，外语不能通过教而掌握，只能通过学去掌握。
16.
obtained through intuition rather than from reasoning or observation.
通过直觉而不是通过推理或观察获得的。
17.
To outdo or get the better of by devious means.
赢得通过不正当的方法胜过或优于
18.
However, we could attain to it by virtuous conducts.
不过，我们可以通过德行等把握它。