If you meet a Muslim sister/Brother, greet her. "As-salamu alaykum" السلام عليكم This means "Peace be upon you." If a Muslim sister/Brothers greets you then reply this "Wa alaykum as-salam" وعليكم السلام Which means "And upon you be peace."
Read while climbing high "Allahu Akbar" الله أكبر This phrase means "God is the Greatest." Read while going down "Subhanallah" سبحان الله This phrase means "Glory be to Allah" and is often used by Muslims to express amazement, gratitude, or admiration for the wonders of Allah's creation.
Read while starting every good work Bismillah (بسم الله) This means "In the name of Allah" and is commonly said at the beginning of any task or activity. If someone asks for any favor or receives a favor then say Alhamdulillah (الحمد لله) This means "Praise be to Allah" and is often said to express gratitude and thankfulness.
If you like something then say "Masha Allah" ما شاء الله This phrase means "What Allah has willed" If you are surprised about something, say "Subhanallah" سبحان الله This phrase means "Glory be to Allah"
To express your intention to do something, "Insha Allah" إن شاء الله This phrase means "If Allah wills" If someone is in trouble, something is lost or you hear the news of someone's death, then read it. "Inna lillahi wa inna ilayhi raji'un" إِنَّا لِلّهِ وَإِنَّـا إِلَيْهِ رَاجِعونَ It translates to "Indeed, to Allah we belong and to Him we shall return."
Du'a for Sneezing (to be said after sneezing): الحمد لله "Alhamdulillah" Meaning: "All praise is due to Allah." Reply to the Sneezing Du'a (to be said by others or by oneself): يَرْحَمُكَ اللَّهُ "Yarhamukallah" Meaning: "May Allah have mercy on you." The person who sneezes should then say \this prayer: يَهْدِيكُمُ اللّهُ وَيُصْلِحُ بَالَكُمْ "Yahdikumullah wa yuslihu balakum" This means: "May Allah guide you and rectify your affairs."
If someone gives you something or treats you well, say جَزَاكَ اللَّهُ خَيْرًا "Jazak Allahu khayran" This means "May Allah reward you with goodness" Read this when you get angry أَعُوذُ بِاللَّهِ مِنَ الشَّيْطَانِ الرَّجِيمِ "A'udhu billahi min ash-shaytan ar-rajim" This means: "I seek refuge with Allah from the accursed Satan."