Cover (one's) bases American verb phrase
To make sure that someone will be safe or successful by handling all potentially risky aspects of a situation
The security cameras have been installed to cover my family's bases.
The guards have to cover the singer's bases before the performance takes place.
Parents should cover kids' bases before leaving home.
The verb "cover " must be conjugated according to its tense.
A baseball guide, in which defense players must ensure that all bases (and any baserunners who may be on them) are covered. Mostly heard in the United States and South Africa.