1.
a thundering fool [mistake]
大傻瓜 [大错特错]
2.
cardinal sins, errors, virtues, etc
大罪、 大错、 大德.
3.
Both of these positions are erroneous.
这两个意见都大错特错。
4.
but you see he is quite wrong!
但你看见了，他大错特错
5.
His idea is completely off base.
他的想法大错特错。
6.
He is badly out in his calculations.
他的计算结果大错特错。
7.
His answer was wildly wrong.
他的回答大错特错。
8.
Your calculation is way off beam.
你的计算大错特错.
9.
How wrong we are!
我们是大错特错了！
10.
If small mistakes are passed by they may lead to more serious ones.
小错忽略，将会酿成大错。
11.
The wrong is too great to be redressed.
大错特错以致无法补救。
12.
I' m afraid it' s all a dreadful mistake.
看来全都大错特错了.
13.
Little rogue easily become great one.
小错不改，易犯大错。
14.
"This is a terrible mistake," he said, shaking his head from side to side, "a terrible, terrible mistake."
“这是个大错，”他把头摇来摇去地说，“大错而特错。”
15.
Most times they're dead wrong.
可是大部分时间他们却大错特错。
16.
An inch is as good as an ell.
[谚]差一寸和差一尺一样；小错大错都是错。
17.
If you think that, you're barking up the wrong tree altogether.
你要是那样想, 你就大错特错了.
18.
If you think that, you are gravely mistaken.
你若是那样想, 就大错特错了.