Х14
НАСТУПАТЬ/НАСТУПИТЬ НА ХВОСТ кому
highly collVP 1. (subj: human or collect) to be following s.o. very closely and be about to catch up to him
X наступает Y-y на хвост - X is (right) on Y's tail
X is in hot pursuit of YX is breathing down Y's neck.
2. (subj: human to offend s.o. , encroach upon his sphere of interests
X наступил Y-y на хвост — X stepped on Yb toes.