laugh in one's sleeve

Alternative forms

 * laugh up one's sleeve

Verb

 * 1)  to laugh in secret or to oneself, usually gloatingly

Translations

 * Catalan: riure per sota el nas
 * Chinese:
 * Cantonese: 偷笑
 * Mandarin:
 * Dutch: in zijn vuistje lachen
 * Finnish: nauraa itsekseen, nauraa salaa
 * French: ,
 * German:
 * Italian: ridere sotto i baffi
 * Polish:
 * Romanian: râde în barbă, râde pe sub mustață
 * Russian: смея́ться в кула́к
 * Turkish:
 * Volapük: lusmilön kläno