فَإِن لَّمۡ یَسۡتَجِیبُوا۟ لَكَ فَٱعۡلَمۡ أَنَّمَا یَتَّبِعُونَ أَهۡوَاۤءَهُمۡۚ وَمَنۡ أَضَلُّ مِمَّنِ ٱتَّبَعَ هَوَىٰهُ بِغَیۡرِ هُدࣰى مِّنَ ٱللَّهِۚ إِنَّ ٱللَّهَ لَا یَهۡدِی ٱلۡقَوۡمَ ٱلظَّـٰلِمِینَ ۝٥٠
fa-in lam yastajībū laka fa-iʿ'lam annamā yattabiʿūna ahwāahum waman aḍallu mimmani ittabaʿa hawāhu bighayri hudan mina l-lahi inna l-laha lā yahdī l-qawma l-ẓālimīn
Abdel Haleem: If they do not respond to you, you will know that they follow only their own desires. Who is further astray than the one who follows his own desires with no guidance from God? Truly God does not guide those who do wrong

Interlinear Analysis

1
fa-in
إِن
Root: ا ن
Prep.
2
lam
لَم
Root: ل م
Prep.
3
yastajībū
اسْتَجابَ
Root: ج و ب
Verb
4
لَكَ
laka
Noun
5
fa-iʿ'lam
عَلِمَ
Root: ع ل م
Verb
6
annamā
أَنّ
Root: ا ن
Prep.
7
yattabiʿūna
اتَّبَعَ
Root: ت ب ع
Verb
8
ahwāahum
أَهْواء
Root: ه و ي
Noun
9
waman
مَن
Root: م ن
Noun
10
aḍallu
أَضَلّ
Root: ض ل ل
Noun
11
mimmani
مِن
Root: م ن
Prep.
12
ittabaʿa
اتَّبَعَ
Root: ت ب ع
Verb
13
hawāhu
هَواء
Root: ه و ي
Noun
14
bighayri
غَيْر
Root: غ ي ر
Noun
15
hudan
هُدًى
Root: ه د ي
Noun
16
mina
مِن
Root: م ن
Prep.
17
l-lahi
اللَّه
Root: أ ل ه
Noun
18
inna
إِنّ
Root: ا ن
Prep.
19
l-laha
اللَّه
Root: أ ل ه
Noun
20
لا
Root: ل ا
Prep.
21
yahdī
هَدَى
Root: ه د ي
Verb
22
l-qawma
قَوْم
Root: ق و م
Noun
23
l-ẓālimīna
ظالِم
Root: ظ ل م
Noun