ground somebody in something phrasal verb ( see also ↑ ground )
to teach someone the basic things they should know in order to be able to do something:
Most seven-year-olds are grounded in the basics of reading and writing.
ground somebody in something phrasal verb ( see also ↑ ground )
to teach someone the basic things they should know in order to be able to do something:
Most seven-year-olds are grounded in the basics of reading and writing.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012