1 Timothy 1 7
wanting to be teachers of the Law [of Moses], even though they do not understand the terms they use or the subjects about which they make [such] confident declarations.
Compare with other 3 random translations
GNV 1 Timothy 1:7They would be doctours of the Law, and yet vnderstande not what they speake, neither whereof they affirme.
ERV 1 Timothy 1:7They want to be teachers of the law, but they don’t know what they are talking about. They don’t even understand the things they say they are sure of.
NAS 1 Timothy 1:7wanting to be teachers of the Law, even though they do not understand either what they are saying or the matters about which they make confident assertions.