to work extremely hard
sehr hart arbeiten (sehr hart arbeiten)
"He worked his fingers to the bone to build his business."
"Er arbeitete sehr hart, um sein Geschäft aufzubauen." (er arbeitete seine finger bis zum knochen um sein geschäft aufzubauen)
to become aware or informed about something
unexpectedly or without warning
to make a noticeable difference or impact
to organize things properly before taking action
to suddenly stop communicating with someone online
the beginning of a new idea or thought