You can't go by what he says; he's very untrustworthy.是什么意思？

You can't go by what he says; he's very untrustworthy.

你不能根据他的话判断, 他是很不可靠的.

you

pron. 你，你们，您们，各位，大家；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

go

vi. 走，离开，去做，进

例句
I would love to go abroad this year, perhaps to the South of France.
我今年很想出国，可能是去法国南部。

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

what

pron. （用以询问某人或某事物的词）什么，多少，…的事物；adj. …的（事物或人）；adv. （用于感叹句中）；int. （用以表示不相信或惊奇），（用以表示未听清楚对方说的话）；

例句
How big is the abyss between what you think you are and what you actually are?
你对自己的认识和真实的你之间差别到底有多大？

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

says

v. 说，讲(say的第三人称单数)；

例句
'When I was an adolescent,' says a thirty-one-year-old man, 'I thought girls held all the aces.'
“当我还是个毛头小伙儿时，”一个31岁的男人说，“我觉得完全是女孩子说了算。”

very

adj. 很，非常，恰好是，正是，十足的，特有的；adv. 很，非常，充分，完全；

例句
Most people have very little difficulty in seeing why a Van Gogh is a work of genius.
多数人不难理解为什么凡·高的作品是天才之作。

untrustworthy

adj. 不能信赖的，靠不住的；

例句
His opponents still say he's a fundamentally untrustworthy figure.
他的对手依然说他根本不可信。