سلح بالانجليزي

to provide weapons for yourself/somebody in order to fight a battle or a war.

سلحت القوات بأسلحة ثقيلة للفوز بالمعركة.

Troops were armed with heavy weapons to win the fight.

تَقُوْمُ الْطَائِفَةُ بِتَسْلِيْحِ أَتْبَاعِهَا تَحَسُبَاً لِإَيِّ هُجُوْمٍ.

The cult is arming its followers in case of an attack.

If you arm someone with something that will be useful in a particular situation, you provide them with it.

يَجِبُ تَسْلِيْحُ الْأَطْفَالِ بِتَعْلِيْمٍ مُنَاسِبٍ وَ أَخْلَاقٍ حَمِيْدَةٍ.

Children are to be armed with proper education and good morals.

يَجِبُ أََنْ يَكُوْنَ مَنْدُوْبُوْ اَلْمَبِيْعَاتِ مُسَلَحِيْنَ بِثِقَةٍ كَبِيْرَةٍ.

Salesmen must be armed with great confidence.

سَلَّحَ مَبْنًى أَوْ هَيْكَلًا أَيْ أَضَافَ إِلَيْهِ فُوْلَاذًا أَوْ حَدِيْدًا لِتَقْوِيَتِهِ وَدَعْمِهِ

reinforce something to make a structure or material stronger, especially by adding another material to it

إِسْمَنْتٌ مُسَلَّحٌ

reinforced concrete

زُجَاجٌ مُسَلَّحٌ

reinforced glass