at that rate
In that case. At that rate, we'll never make it on time! Tanya is busy all month. At that rate, we'll never see her.
at that rate
in that manner; at that speed. If things keep progressing at that rate, we'll be rich by next year. At that rate we'll never get the money that is owed us.
at ˈthis/ˈthat rate
(spoken) if the situation continues as it is: This traffic’s terrible. At this rate we’ll never get to the airport on time.