not miss a beat
not miss a beatalso not skip a beat
to not pause George didn't miss a beat when we asked him what kind of car we should buy for our daughter. Even when she's asked embarrassing questions, she doesn't skip a beat.
Usage notes: sometimes used in the form without missing a beat: Ella forgot the words she had memorized but, without missing a beat, she made up new ones.
Etymology: based on the idea of the regular beat of music or the heart