1·He cut the envelope open.
他把信封剪开了。
2·He began to slit open each envelope.
他开始撕开每个信封。
—— 《柯林斯英汉双解大词典》
3·He slit open the envelope and took out the letter.
他拆开信封，抽出信来。
—— 《牛津词典》
4·Then one day, a good year and a half after the visit to the diagnostic pediatrician, I decided to tear open the metaphorical credit card envelope and take a cold, hard look at the fine print.
然后在一年半后的一天，从诊断儿科医生那里回来以后，我决定打开这个信用卡信封，冲了个凉水澡，艰难的看着这些小字体。
5·She saw my disappointment however, and said she would write it all down for me. Put it in an envelope to open when she was dead and gone.
她看到我失望不过，说她会把一切给我写下来，放在一个信封里，当她死去后留给我，我很高兴。
6·The security code for use in emergency was supposed to stay in a sealed envelope for the cosmonaut to open only if necessary, but Ivanovsky was too nervous to stick with protocol.
紧急条件使用的安全密码放在一个密封信封中，宇航员只有在必要情到况下使用，Ivanovsky过于紧张没有按照预定的程序执行。
7·IT IS the envelope they dare not open.
这个是大家都不敢拆开的信封。
8·He tore open the envelope and at first thought it was empty. Then he noticed a single white feather had fallen from it.
他撕开信封，最初还以为里面空无一物，随后才发现有一根从信封中飘落的洁白羽毛。
9·But I'll give you the envelope and you can open it up and read them.
但我会把信封给你，你可以打开信封自己看。
10·He tore open the envelope.
他拆开信封。