hard on your heels
hard on (one's)/the heels
1. Moving very closely behind one. In this usage, a noun or pronoun is used between "on" and "heels." Since the dog was hard on my heels, I was very relieved to reach my house and run inside.
2. Close to defeating an opponent. In this usage, a noun or pronoun is used between "on" and "heels." We need to tighten up on defense because these guys are hard on our heels right now.
3. Happening very soon after something else. In this usage, the phrase is written as "hard on the heels of (something)." I feel like I've been sick for months, since I got bronchitis hard on the heels of a lengthy cold.
hard on your heelsor
hot on your heels
1. In a competitive situation, if someone is hard on your heels or hot on your heels, they are doing nearly as well as you, and it is possible that they will beat you. Great Britain's Dave Hall and Jessica Smith were hot on their heels until a bad last race left them out of the running for first. The next generation of British athletes is pressing hard on the heels of today's champions. Note: You can also say that someone is close on your heels. Dorlan finished second with the Italian close on his heels.
2. If someone is hard on your heels or hot on your heels, they are close behind you, for example because they are chasing you. But the police were hard on their heels and within two weeks, gang leaders McAvoy and Robinson were behind bars. The two play jewel thieves who have retired to the Bahamas while Harrelson is the FBI agent hot on their heels. Note: You can also say that someone is close on your heels. Our pilot followed close on the heels of the departing inspector.