The five duties expected of every Muslim: profession of the faith in a prescribed form, observance of ritual prayer, giving alms to the poor, fasting during the month of Ramadan, and performing a pilgrimage to Mecca.
五功（指每个穆斯林应履行的五项义务，即念功、拜功、课功、斋功和朝功）
See hajj, salat, sawm, shahada, and zakat
Definition of Five Pillars of Islam in US English:
Five Pillars of Islam
proper noun
The five duties expected of every Muslim: profession of the faith in a prescribed form, observance of ritual prayer, giving alms to the poor, fasting during the month of Ramadan, and performing a pilgrimage to Mecca.