/fɔ:ls ||; fɔls/adj a false alarm a warning about a danger that does not happen 假警报；虚惊 a false friend a word in another language that looks similar to a word in your own but has a different meaning （外语中）容易理解错的词（跟本国语言中某个词看来相似，其实意思不同） under false pretences pretending to be or to have sth in order to trick people 伪装…以欺骗: She got into the club under false pretences -- she isn't a member at all! 她冒充会员到俱乐部去──她根本不是会员！