• adj. 正直的，誠實(shí)的；垂直的，直立的；筆直的；合乎正道的
• n. 垂直；豎立

up,向上，right, 直的，詞源同regulate, erect.

upright (adj.)

Old English upriht "erect, face-upward;" see up (adv.) + right (adj.1). Similar compounds are found in other Germanic languages (Old Frisian upriucht, Middle Dutch oprecht, Old High German ufreht, German aufrecht, Old Norse uprettr). Figurative sense of "good, honest, adhering to rectitude" is first attested 1520s.

As an adverb, Old English uprihte. As a noun, 1560s in the sense "a vertical front;" c. 1700 as "a vertical timber in framing;" 1742 in the sense "something standing erect." Meaning "an upright piano" is from 1860.

THREE-PENNY UPRIGHT. A retailer of love, who, for the sum mentioned, dispenses her favours standing against a wall. ["Dictionary of the Vulgar Tongue," 1811]

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The bent-over rear-entry posture they are talking about, of course, is kubda, the three-obol position at the bottom-end of a prostitute's price-range. [James N. Davidson, "Courtesans and Fishcakes: The Consuming Passions of Classical Athens," 1997]

1. He was sitting on an upright chair beside his bed, reading.

他正坐在床前一張直背椅上看書。

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2. He was handsome, upright and chivalrous.

他長相英俊，為人正直，風(fēng)度翩翩。

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3. Cautiously, he moved himself into an upright position.

他小心翼翼地直起了身子。

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4. Moira sat stiffly upright in her straight-backed chair.

莫伊拉直挺挺地坐在她的直背靠椅上。

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5. With a swift movement, Matthew Jerrold sat upright.

馬修·杰羅爾德迅速坐直了。

來自柯林斯例句