校園英語口語習慣用語 第34期:be on one's back

be on one's back 臥病

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【講解】

此處的back是名詞，是"脊背"的意思,短語be on one's back原意爲"仰臥"，轉義指"躺在牀上，無法起牀"，在口語中引申爲"生病"。

【對話】

A：Where's Peter? I haven't seen him for quite a few days.
A: 彼得在哪兒呢？我好幾天沒見着他了。

B: He's on his back now.
B：他臥牀不起了。

A: I'm sorry to hear that. But he was all right last week.
A: 真不願聽到這個。但上週還好好的呢。

B: Yeah, he was caught in the rain the other day. He has got a very had cold.
B: 是呀，那天下了場雨，得了重感冒。