see if everything is fine or safe; supervise, watch to see if it is done correctly
He went to check up on the kids because they were crying.
They don't like a manager who is always checking up on them.
see if everything is fine or safe; supervise, watch to see if it is done correctly
He went to check up on the kids because they were crying.
They don't like a manager who is always checking up on them.
Wayne Magnuson. English idioms vocabulary. Словарь английских идиом. 2012