重點單詞：

1.stumble 絆倒

Eg. I stumbled over a tree root.

樹根絆了我的腳。

2.corps 尸體

Eg. The corpse lay face down in a pool of blood.

尸體俯臥在血泊中。

Eg. When the police exhumed the corpse they discovered traces of poison in it.

警方掘出尸體，發現有中毒的痕跡。

3. vagrant 流浪漢, 漂泊者

He has been leading a vagrant life since his parents died.

自從他父母死亡后就一直過著流浪生活。

重點短語：

1.stumble upon偶然發現

Eg. I stumble upon the rare book in a second-hand bookstore.

我在一家舊書店偶然找到這本珍貴的書。

Eg. Perhaps we'll stumble upon a mutually satisfactory solution for price later on.

也許過一會兒我們會碰到一個雙方都滿意的方案。

2.be sure of確信

Eg. Can I be sure of a profit if I invest?

我要是投資, 肯定能獲利嗎?

Eg. You're sure of a warm welcome.

你一定會受到熱烈歡迎的。

3.at the door：在門口

Eg. I saw an unfamiliar face at the door.

我在門口看到一張不熟悉的面孔。

Eg. He popped his head in at the door.

他突然將頭伸入門內。

佳句妙語：

She's white as death.

她面如死灰。

動詞短語結構：

原文：St. John, we must get her warm.

注解：get+sb+adj. 讓某人出于......狀態

例句：His attitude got me angry.

他的態度令我生氣。

原文：Let us take her upstairs.

注解：take+sb+adv. 到某人到某處

例句：Please bring your sister downstairs.

把你的妹妹們帶下樓來。

語法透析：

原文：St. John, we would have stumbled upon her corpse in the morning.

解析：這句話使用了虛擬語氣，謂語結構是would have stumbled。