My challenge to any of the great leaders of the Christian churches..to come and debate the question of religion and free thought.
出自: R. LyndThe tremendous challenge of his post, and the problems he faced.
出自: D. AchesonThe Martyrs' Memorial..an occasional challenge to the climbing skills of students.
出自: E. LongfordTo be challenged of unkindness.
出自: P. SidneyHe challenged me to a debate.
他向我挑战,要和我比试辩论。