1·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》
2·He slit open the envelope and took out the letter.
他拆开信封，抽出信来。
—— 《牛津词典》
3·The blow opened a huge horizontal gash into the back of his head-picture a slit you could post an envelope through.
这一击在他的头部后侧撕开了一道巨大的水平豁口，足以塞进一个封信。
4·I nodded dumbly and he slit the envelope.
我默默地点了点头，他就撕开了信封。
5·She slit the envelope open with a knife.
她用刀把信封裁开。
6·She slit the envelope open with a knife.
她用刀子割开了信封。
7·He slit the envelope open.
他把信封剪开。