on somebody’s heels
US /ɑn ˈsʌm.bə.diz hiːlz/
UK /ɑn ˈsʌm.bə.diz hiːlz/

1.
di belakang seseorang, mengikuti rapat
following closely behind someone
:
•
The police were right on his heels after the robbery.
Polis berada betul-betul di belakangnya selepas rompakan itu.
•
Success came quickly, with problems often on its heels.
Kejayaan datang dengan cepat, dengan masalah seringkali mengikutinya.