He has been arrested by mistake.警方误抓了他。He opened Ingrid's letter by mistake.他不小心拆了英格丽德的信。She let the news slip by mistake , in an unguarded moment.她一不留神泄漏了消息....

by mistake的音标：by mistake的英式发音音标为：[bai mis'teik]by mistake的美式发音音标为：[baɪ mɪ'stek]...

错误地...