誰也說不準實際上將會發生什麼事。

What will actually happen is anyone's guess.

Source: Tatoeba

Sentence Composition

1 誰 shéi
  1. who
  2. also pr. shuí
=2 也 Yě surname Ye
=2 也 yě
  1. also; too; as well; (not ...) either
  2. (used after a verbal or nominal expression X to indicate that X is an extreme or unexpected case) even (X)
  3. (literary) particle having functions similar to 啊 a
=3 說不準 shuōbùzhǔn
  1. unable to say
  2. can't say precisely
=3 說不準 shuobūzhǔn
  1. maybe; possibly
  2. to be unable to speak about with confidence
4 實際上 shíjìshàng
  1. in fact
  2. in reality
  3. as a matter of fact
  4. in practice
5 將會 jiānghuì
  1. auxiliary verb introducing future action: may (be able to)
  2. will (cause)
  3. should (enable)
  4. going to
6 發生 fāshēng to happen; to occur; to take place; to break out
7 什麼事 shénmeshì
  1. What's up?; Is something the matter?
  2. (coll.) (used in rhetorical questions of the form 关 guān + {person} + 什么事 shénmeshì "what business is it of {person}'s?; what's it to {person}?")