misspeak

1.We know we’ll misspeak or what we say will be heard differently than we intended.

我知道我会说错或者所说会被听成并非我意。

2.White House spokesman Scott McClellan said Bush's misstatement "just shows even the most straightforward and plain-spoken people misspeak."

白发言特.麦克莱伦说布什错误仅仅是最坦率口误.