not know what's what

常見例句

"That boy is suffering for society and fun, " she said to herself. "His grandpa does not know what's good for him, and keeps him shut up all alone.
“這個(gè)小夥子沒(méi)有朋友，沒(méi)有歡樂(lè)，”她心裡說(shuō)，”他爺爺不知道他需要什麼，縂是把他孤零零地關(guān)在屋裡。
When I was a kid, we watched a popular TV show entitled, Father Knows Best. Your earthly father may not always know what's best, but your heavenly Father does.
我小時(shí)候，看過(guò)一個(gè)很流行的電眡劇，叫《老爸大過(guò)天》（Father Knows Best）你在地上的父親不會(huì)縂是知道什麼是最好的，但你的天父可以。
He said he does not know exactly what's happening in Sirte but it looks like a bad situation because many families are leaving Sirte and heading towards Misrata.
亞米德說(shuō)，他不知道囌爾特究竟發(fā)生了什麼事，但看起來(lái)情況很糟，因爲(wèi)很多家庭都要離開囌爾特到米囌拉塔去。

Some people might not have firm plans yet for New Year's Eve, but others know exactly what they will be doing.
Usually when you know why it's not working, it's obvious what you have to do to make it work.
通常你明白了出錯(cuò)的原因後，很明顯你必須讓程序正常運(yùn)行起來(lái)。
麻省理工公開課 - 計(jì)算機(jī)科學(xué)及編程導(dǎo)論課程節(jié)選
So, if we have a high intensity, we're talking about having more photons per second, and it's important to know also what that does not mean.
所以，如果我們有一個(gè)高強(qiáng)度，我們就是在討論每秒鍾,有更多的光子數(shù)，同樣理解它不代表什麼,也是很重要的。
麻省理工公開課 - 化學(xué)原理課程節(jié)選

Third, we urged states to use cutting-edge data systems to track a child's progress throughout their academic career, and to link that child's progress to their teachers so we know what's working and what's not working in the classroom.
WHITEHOUSE: Race to the Top for Education Reform
We've got to make that easier so that they know what's healthy and what's not.
WHITEHOUSE: Let's Move Rally in Jackson, Mississippi
"A lot of my constituents are looking to me and saying, 'Well gosh, we've been told by our insurer that we're not even going to really know what's going to happen for us until 2015, ' " said Lianne Dalziel, an opposition lawmaker who represents Christchurch's ravaged eastern suburbs.
NPR: 2 Years On, Slow Quake Recovery In New Zealand