﴾الْكِتَابَ ﴿ “the Book”: meaning the Torah
﴾يَتْلُونَهُ حَقَّ تِلاوَتِهِ ﴿“recite it with its true recital”: meaning to follow it as it should be followed and to obey its commandments and to give its recitation the full measure.
﴾أُوْلَئِكَ يُؤْمِنُونَ بِهِ ﴿ “They [are the ones who] believe in it”
They believe in what has been narrated in the Torah about Rasulullah r.
﴾وَمَنْ يَكْفُرْ بِهِ فَأُوْلَئِكَ هُمْ الْخَاسِرُونَ﴿
“And whoever disbelieves in it – it is they who are the losers”
they are the ones who deny and hide what is said in the Torah and they are the real losers.