If that's what you think, you're way off base.

你如果那么想就全错了。

《牛津词典》

“Williamson is way off base,” says Mr. Miller.

“威廉森做得有些离谱。” 米勒先生说。

youdao

His cost estimate was way off base, far higher than warranted by current prices for labor and materials.

他的成本估计太离谱了，不合理地远远高于目前劳力和材料的价格。

youdao

However,someone who is way off base did something wrong or maybe even dishonest or immoral.

VOA: special.2009.04.12

We'll also learn which of the dozens of public-opinion polls were right and which ones were way off base.

NPR: As Election Day Nears, Poll Data Questioned

For those 401(k) participants who said they thought they knew how much they paid in fees, most of them were way off base.

FORBES: 401(k) Fees Still Widely Misunderstood

So I think that his criticisms are way off base.

CNN: Karen Hughes discusses Bush's global agenda