on the heels of
接踵而来
A:The flood will come on the heels of the heavy rain.
A:大雨后洪水会接踵而来的。
B:I wonder if the municipal government will take some preventive measures.
B:不知道市政府会不会采取一些预防措施。
A:I'm sure they will.
A:肯定会的。