jihad
/dʒɪˈhɑːd/(亦作jehad)
noun
1- a holy war undertaken by Muslims against unbelievers（伊斯兰教）护教圣战, 圣战。
1.1
- informal a single-minded or obsessive campaign〈非正式〉背水一战：
the quest for greater sales became a jihad.
扩大销售量成了一场殊死之战。
1.2
greater jihad
Islam the spiritual struggle within oneself against sin【伊斯兰教】对罪孽的自我反省。
词源
from Arabic jihād, literally 'effort', expressing, in Muslim thought, struggle on behalf of God and Islam.