重點講解：
1.come from
來自于；來源于；出生
例句：One writer believes that the expression might have come from an old saying.
一個作家認為這種表達或許來自一個古老的說法。
2.sprout up
出現
例句：Imitators began to sprout up all over the country.
模仿者開始在全國迅速出現。
3.believe it or not
信不信由你
例句：Believe it or not- not that I don't love Mary- but that I love my country more.
信不信由你，并非我不愛瑪麗，而是我更愛我的國度。
4.poke around
閑逛；搜索，到處找；到處尋找
例句：The man who owns this land said I could poke around here anytime.
這塊地的主人說我可以隨時到這兒來閑逛。
5.cut across
抄近路，跨越
例句：But the Dreyfus affair often cut across political and religious lines.
但德雷福斯事件往往跨越政治和宗教界線。