to do something innovative or pioneering
etwas Innovatives oder Pionierarbeit leisten (etwas Innovatives oder Pionierarbeit leisten)
"Their research broke new ground in medical science."
"ihre Forschung hat neue Wege in der medizinischen Wissenschaft eröffnet." (ihre forschung hat neue wege in der medizinischen wissenschaft eroeffnet.)
to do one's fair share of work in a group
to tell an obvious and bold lie
To retire someone or something from active use.
free of charge; paid for by the establishment
by lying or misleading someone
to gradually become more capable or skilled at something