一条真理...

There's more than a grain of truth in that.其中含有很深刻的道理。Our observations may contain a grain of truth for you to refer to.我们的意见也许会有千虑一得之处,供你参考.There isn't a grain of truth in what he said.他说的全不是真话....

a grain of truth的音标：a grain of truth的英式发音音标为：[ə ɡrein ɔv tru:θ]a grain of truth的美式发音音标为：[e ɡren ʌv truθ]...