phrasal
: to give continued impetus or momentum to an activity already in progress
when the conversation began to lag, the host always kept the ball rolling by introducing a new topic of common interest without seeming to have done it purposely
phrasal
: to give continued impetus or momentum to an activity already in progress
when the conversation began to lag, the host always kept the ball rolling by introducing a new topic of common interest without seeming to have done it purposely
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012