英语词汇up one-s sleeve的起源、历史背景-英语词源词典

up one’s sleeve; laugh up one’s sleeve. Fifteenth-century garments had few if any pockets, so men often carried what- ever things couldn’t be hung from their belts in their full sleeves. It is probably from this source, rather than magicians with rabbits up their sleeves, that we derive our expression for having an alternative plan or something in reserve, although the phrase in its sense of a scheme or trick was most likely in- fluenced by magicians concealing their professional para- phernalia. Another expression deriving from the same source is to laugh up (or in) one’s sleeve, “to ridicule a person secret- ly.” A man wearing a garment with capacious sleeves was quite literally able to conceal a laugh by hiding his face in his sleeve.

词汇	up one-s sleeve
词源	up one’s sleeve; laugh up one’s sleeve. Fifteenth-century garments had few if any pockets, so men often carried what- ever things couldn’t be hung from their belts in their full sleeves. It is probably from this source, rather than magicians with rabbits up their sleeves, that we derive our expression for having an alternative plan or something in reserve, although the phrase in its sense of a scheme or trick was most likely in- fluenced by magicians concealing their professional para- phernalia. Another expression deriving from the same source is to laugh up (or in) one’s sleeve, “to ridicule a person secret- ly.” A man wearing a garment with capacious sleeves was quite literally able to conceal a laugh by hiding his face in his sleeve.
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