Alif-Lam-Ra. [These letters are one of the miracles of the Quran, and

﴿الٓرۚ تِلۡكَ ءَايَٰتُ ٱلۡكِتَٰبِ ٱلۡمُبِينِ ﴾
[يُوسُف: 1]

Alif-Lam-Ra. [These letters are one of the miracles of the Quran, and none but Allah (Alone) knows their meanings]. These are the Verses of the Clear Book (the Quran that makes clear the legal and illegal things, legal laws, a guidance and a blessing)

﴿الر تلك آيات الكتاب المبين﴾ [يُوسُف: 1]

Al Bilal Muhammad Et Al
Alif, Laam, Raa. These are the symbols of the Clear Book

Ali Bakhtiari Nejad
L.R. (Alif. Lam. Ra.) These are verses of the clear (and clarifying) book

Ali Quli Qarai
Aif, Lam, Ra. These are the signs of the Manifest Book

Ali Unal
Alif. Lam. Ra. These are the Revelations of the Book clear in itself and clearly showing the truth

Hamid S Aziz
ALIF LAM RA. These are the verses (or symbols) of the Perspicuous (or clarifying) Book

John Medows Rodwell
ELIF. LAM. RA. These are signs of the clear Book

Literal
A L R those (are) verses/evidences (of) The Book , the clear/evident

Mir Anees Original
Alif Laam Raa. Those are the signs of the book that makes clear

Mir Aneesuddin
Alif Laam Raa. Those are the signs of the book that makes clear