Определение to collect one's thoughts в Английский Язык Английский Язык словарь
To become mentally composed, especially after being distressed, surprised, or disoriented; to become calm or organized in one's emotional state or thinking, as in preparation for a conversation, speech, decision, etc
I'm a believer, umm, Mr. Bloomberg said before standing silently at the lectern for seven seconds as he collected his thoughts.