obligated
adj. 有义务的；责无旁贷的
v. 使负义务（obligate的过去式）
例句
He felt obligated to help.
他觉得有义务帮忙。
《牛津词典》
He had got a girl pregnant and felt obligated to her and the child.
他让一个姑娘怀孕了，他觉得自己有义务照顾她和孩子。
《柯林斯英汉双解大词典》
We're obligated to keep a pulse on the population for at least five years after the foxes are delisted.
在狐狸被除名后的至少五年时间里，我们有义务继续监测狐狸种群。
