The phrase “what can make you know” is Muhammad’s “code” for defining the meaning of a word or phrase. This is like “[word] is defined as [phrase]”.
Hour
It is Allâh Who has sent down the Book (the Qur’ân) in truth, and the Balance (i.e. to act justly).
And what can make you know that perhaps the Hour is close at hand?
Koran 47:17
Inevitable Reality
And what can make you know what is the Inevitable Reality?
Koran 69:3
Saqar
And what can make you know what is Saqar?
Koran 74:27
Day of Judgement
And what can make you know what is the Day of Judgement?
Koran 77:14
Day of Recompense
82:17 And what can make you know what is the Day of Recompense?
18 Then, what can make you know what is the Day of Recompense?
Koran 82:17-18
Sijjeen
And what can make you know what is sijjeen?
Koran 83:8
Illiyyūn
And what can make you know what is ʿilliyyūn?
Koran 83:19
Knocker
Also, “night comer” or “morning star” – this probably refers to the morning star, Venus.
And what can make you know what is the knocker?
Koran 86:2
Difficult Pass
And what can make you know what is [breaking through] the difficult pass?
Koran 90:12
Night of Decree
And what can make you know what is the Night of Decree?
Koran 97:2
Striking Calamity
Also “Calamity”.
And what can make you know what is the Striking Calamity?
Koran 101:3
[Abyss]
Also, Fire or Mother (Pickthall K101:9: “A bereft and Hungry One will be his mother,”). The Pickthal translation is also a shocking condemnation of Muhammad’s mother.
And what can make you know what that is?
Koran 101:10
Crusher
And what can make you know what is the Crusher?
Koran 104:5
Muhammad uses mysterious words and redefines words, showing that the Koran is not in the language of the Quraysh tribe, the people he was supposedly sent to.
Muhammad was a false prophet, for a false god, Allah, for a false religion, Islam, without even a false book, the Koran.
