To remain vigilant for someone or something.
To remain vigilant for a possibly dangerous situation.
keep a weather eye open
to maintain a background awareness of something; to remain alert to ch…
keep one's stick on the ice
To remain vigilant and ready for action.
hold on
To keep; to store something for someone.
hold off
To delay (someone or something) temporarily; to keep at bay.
open fire
To begin firing (weapons) at something or someone.
open invitation
A situation or action that tempts someone to do something which would …