be watchful

See: care, concern
References in periodicals archive ?
This award will be by nomination, so if you know of an excellent young writer, please be watchful for the call for submissions.
We are a group who purports to be aware of the right of older people to be autonomous, as laid down in the NZNO Code of Ethics, and a group who, therefore, should be watchful for paternalistic attitudes creeping into discussions about aged-care issues.
Worshippers were asked not to come to church with handbags and to be watchful of strangers.
The teacher should be watchful from the moment the young student stands facing the barre for the first time that the hips are square (not tilted) and the spine is in a neutral position.