Until we know what's going on, I don't want to alert too many people to our presence.
Hide the body, so no one's alerted to our presence.
Before she could decide whether to alert him to her presence, he entered the room.
Nothing lay out that might alert him to her presence.
By then, they had gone quiet, alerted to his presence.
The downstairs lights were on; they might alert someone to their presence.
An attempt to recruit could alert him to our presence.
Do not take any action that would alert Wayne to their presence.
He had no wish to alert them to his own presence by any touch of mind.
He'd found a way to enter that wouldn't alert anyone to his presence.