1.
misunderstand completely what has been said
（对听到的话）完全误解
2.
He completely misconceived my meaning.
他完全误解了我的意思。
3.
You have completely misconstrued me/my words/what I said.
你完全误解了我[我的话/我的意思]了.
4.
You've got hold of the wrong end of the stick, the teacher wasn't criticizing you, but Mary
你完全误解了，老师没批评你，而是批评玛丽。
5.
His tactlessness showed that he had completely misread the situation.
他不能随机应变, 这表明他对情势完全误解了.
6.
His tactlessness show that he have completely misread the situation.
他不能随机应变，这表明他对情势完全误解了。
7.
His tactlessness show that He has completely misread the situation
他不能随机应变, 这表明他对情势完全误解了
8.
The accident was caused by one motorist completely misapprehending the intentions of the other.
事故发生的原因是一个汽车驾驶员完全误解了另一个驾驶员的意图。
9.
Don't mistake me, I mean exactly what I said.
别误解我的意图，我说的完全是心里话。
10.
I think you want to see me but I am clearly under a complete misapprehension.
我以为你想见我，显然完全是我误解了。
11.
I thought you wanted to see me but I was clearly under a complete misapprehension.
我以为你想见我, 显然完全是我误解了.
12.
He's fully aware of his mistake.
他完全意识到他的错误。
13.
Your idea is completely off base.
你的想法完全是错误的。
14.
No experience can be considered complete unless it includes the making of mistakes.
不犯错误，那就不算完全。
15.
I quite agree/understand.
我完全同意[理解].
16.
This hazy "phlogiston theory," this erroneous conception of burning, led chemistry along a completely false trail.
这个莫名其妙的“燃素论”，对燃烧做了错误的理解，把化学扯上了一条完全错误道路。
17.
And here common sense is wrong, completely wrong.
然而，常识是错误的，完全错误的。
18.
seldom is one side totally in the wrong and the other completely in the right.
极少是一方完全错误而另一方则完全是正确的。