laugh up one's sleeve英语标准发音：laugh up one's sleeve英式发音：美式发音：翻译中文笑一笑laugh up one's sleeve - 基本释义[词典1]暗暗发笑窃笑laugh up one's sleeve - WEB词典laugh up one's sle暗暗发笑偷偷地笑窃笑翻译to laugh up one's sle偷偷地笑暗暗发笑laugh up one's sle at对 参考资料： 1.百度翻译：laugh up one's sleeve2.有道词典：laugh up one's sleeve3.爱词霸：laugh up one's sleeve
