P (every) once in a while 每过一段时间 P (Good) morning 早上好 P (have) the best of both worlds (拥有)两全其美 P (I'll) tell you what (我会)告诉你什么 P (just) in case 以防万一 P (keep sb) at arm's length (与某人保持距离) P (take) the easy way out (采取...