drill something into somebody phrasal verb ( see also ↑ drill )
to keep telling someone something until they know it very well:
Mother had drilled it into me not to talk to strangers.
drill something into somebody phrasal verb ( see also ↑ drill )
to keep telling someone something until they know it very well:
Mother had drilled it into me not to talk to strangers.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012