万事通的英文：
knowall
one who knows all the answers

参考例句：

It seems as if he knows everything.
他似乎是个万事通。

It seems as if he knew everything, But in reality, he is as stupid as can Be.
他似乎是个万事通。其实他是再愚蠢不过了。

He was so different from the smooth know-it-alls in our senior class.
他同我们高年级里那些圆滑的自称万事通的人不大相同。

knowall是什么意思：
万事通

Our commentator, Reg Knowall, will be at the ground and will be bringing you a kick by kick account of every stage of the match.
我们的解说员，里格 - 诺瓦尔将在现场，为每一脚球及每个阶段的比赛进行详细解说。

one是什么意思：
num. 一；同一个、最重要的一个
det. 代替a或an，表示强调；某位（用于不太熟悉之人的姓名之前）
pron. 任何人；一个人；一个事物；其中的一个人

One, Taipei, one way.
台北单程票一张。

This one is not a spoof.
这个就不是开玩笑了。

One and one make(s) two.
一加一等于二。

who是什么意思：
pron. 谁；他，她，他们，她们

Who the heck are you?
你究竟是谁？

Who is knocking the door || Who is knocking || Who is at the door || Who is knocking at the door?
谁在敲门

Who is knocking the door / Who is knocking / Who is at the door / Who is knocking at the door?
谁在敲门