to interrupt someone while they are speaking
jemanden unterbrechen, während er spricht (jemanden unterbrechen, während er spricht)
"He rudely cut in on his opponent during the discussion."
"er unterbrach grob seinen Gegner während der Diskussion." (er unterbrach grob seinen Gegner während der Diskussion.)
to start succeeding rapidly in a field
to request information or clarification about something
to introduce new environmental or social targets
to replace someone temporarily in a role
to record your top achievements
to blend gradually with surroundings; become less noticeable