law·ful·ness
noun/ˈlɔːflnəs/
/ˈlɔːflnəs/
[uncountable] (formal)- the fact of being allowed or recognized by law; the fact of being legal
合法性：被法律允许或承认的事实；合法 - They questioned the lawfulness of the decision.
他们质疑该决定的合法性。
- They questioned the lawfulness of the decision.