他不得不与一位不情愿的伙伴合作.He was yoked to an disinclined partner.他不得不与一位不情愿的伙伴合作。He was yoked to an unwilling partner.姑娘通常都是满心情愿的,而他自己却有点鼓不起劲来.He had to get himself drunk instead of the girl....

“情愿的”的英语可以翻译为：glad，willing to，would rather，[法] ungrudging，ready ...