en_tn/rom/05/20.md

the Law came in alongside

"the Law sneaked in" (See: rc://en/ta/man/translate/figs-personification)

the trespass might abound

This means both that "people might realize how greatly they had sinned" (UDB) and "people might commit more sins."

abounded

"increased"

as sin ruled in death

"as sin resulted in death"

even so grace might rule through righteousness for everlasting life through Jesus Christ our Lord

"grace gave people everlasting life through the righteousness of Jesus Christ our Lord"

our Lord

Paul includes his readers and all believers. (See: rc://en/ta/man/translate/figs-inclusive)