* Simple: He was unwilling to share his toys.
* With a reason: Despite the heavy rain, she was unwilling to cancel her picnic.
* Figurative: The evidence was overwhelming, yet the jury remained unwilling to convict.
* Formal: The government expressed its unwillingness to negotiate with the rebels.
* Contrasting: While most of the students were excited for the field trip, a few remained unwilling participants.
Remember that "unwilling" is an adjective, so it modifies a noun.