to keep your emotions under control
die Emotionen unter Kontrolle halten (die Emotionen unter Kontrolle halten)
"He tried to hold his emotions in check during the speech."
"Er versuchte, seine Emotionen während der Rede unter Kontrolle zu halten." (er versuchte seine Emotionen während der Rede unter Kontrolle zu halten)
to check or continue working on something previously started
to send someone a short message online
to lead someone into a room or building
to think about something that happened in the past
to start discussing trade terms formally
to take control or responsibility for something