unmarked envelope
没有标记的信封
Have you stuck down the back of the envelope?信封背面开口处贴牢了吗？
He steamed the stamp off the envelope.他用蒸汽把信封上的邮票揭下来。
He glued a stamp onto the envelope.他把邮票贴在信封上。

top flap
上窗盖
A man of great ability like him will eventually reach the top.
像他这样才能出众的人终究会升到最上层的。
Can you reach the book on the top of the cupboard?
你能够到柜顶的那本书吗？

escape
v.逃跑；逃脱；逃避；被忘掉；泄露；去度假
n.逃跑；逃脱；逃避；泄露；度假；[计算机]退出键
用作动词 (v.)
To my surprise, he could escape from that big fire.
令我惊讶的是,他能够从那场大火里逃脱出来。
I had left England to escape from my own future.
我离开英国是为了逃避自己的命运。
They came to America to escape political tyranny.
他们为逃避暴政逃到了美洲。
用作名词 (n.)
The thief jumped into a car and made his escape.
小偷跳上汽车逃走了。
Our escape was little short of miraculous.
我们能逃脱简直是个奇迹。

stared at
盯着
They stared at the strange sight in silent wonder.他们惊讶地默默凝视那奇景。
He stared at me with a cruel glitter in his eyes.他眼露凶光地瞪着我。
He stared at the words in complete puzzlement.他注视着那些语句,茫然不解。

convey
vt.表达；传达；运输；转移
I find it hard to convey my feelings in word.
我觉得难以用言语表达我的感情。
Word will suffice to convey his grief.
他的悲伤足以用言辞表达。

confused
adj.困惑的；混乱的；混杂的
He was not all confused.
他一点儿也不糊涂。
He was really confused by the freak result.
这个异乎寻常的结果让他非常困惑。

suspicious
adj.可疑的；多疑的
I am suspicious of his intentions.
我怀疑他的用意。
Two suspicious characters were brought in.
逮捕了两名嫌疑犯。