乐意
Willingness \Will"ing*ness\, n.
The quality or state of being willing; free choice or consent
of the will; freedom from reluctance; readiness of the mind
to do or forbear.
Sweet is the love which comes with willingness.
--Dryden.
willingness
n : cheerful compliance; "he expressed his willingness to help"
[ant: {unwillingness}]