Word by Word Analysis

ذَٰلِكَ أَدْنَىٰٓ أَن يَأْتُوا۟ بِٱلشَّهَـٰدَةِ عَلَىٰ وَجْهِهَآ أَوْ يَخَافُوٓا۟ أَن تُرَدَّ أَيْمَـٰنٌۢ بَعْدَ أَيْمَـٰنِهِمْ ۗ وَٱتَّقُوا۟ ٱللَّهَ وَٱسْمَعُوا۟ ۗ وَٱللَّهُ لَا يَهْدِى ٱلْقَوْمَ ٱلْفَـٰسِقِينَ 108

That is more likely that they will give testimony according to its [true] objective, or [at least] they would fear that [other] oaths might be taken after their oaths. And fear Allāh and listen [i.e., obey Him]; and Allāh does not guide the defiantly disobedient people.