Following someone very closely.
hot on someone's heels
Close behind; pursuing or following closely.
snap at someone's heels
To compete with someone closely, with the possibility of soon defeatin …
breathe down someone's neck
To follow or supervise someone too closely, causing discomfort for tha …
hot on the trail
Synonym of hot on someone's heels.
dead ringer
Someone or something that very closely resembles another; someone or s …