be laughing up (one's) sleeve

To be trying to hide that one is laughing at someone else. It seems like the popular kids are laughing up their sleeves every time I walk by. It's so infuriating.See also: laugh, sleeve, up

be laughing up your sleeve

OLD-FASHIONEDIf someone is laughing up their sleeve, they are secretly amused by something, often something silly that someone else has done. They must be laughing up their sleeves at our stupidity. Note: The image here is of someone trying to hide the fact that they are laughing by putting their hand or arm in front of their mouth. See also: laugh, sleeve, up

单词	be laughing up (one's) sleeve
释义	be laughing up (one's) sleeve be laughing up (one's) sleeve To be trying to hide that one is laughing at someone else. It seems like the popular kids are laughing up their sleeves every time I walk by. It's so infuriating.See also: laugh, sleeve, up be laughing up your sleeve OLD-FASHIONEDIf someone is laughing up their sleeve, they are secretly amused by something, often something silly that someone else has done. They must be laughing up their sleeves at our stupidity. Note: The image here is of someone trying to hide the fact that they are laughing by putting their hand or arm in front of their mouth. See also: laugh, sleeve, up
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