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…