to knit one's brows (in discomfort, unease, disapproval, etc.);  to raise one's eyebrows;  to frown;  to scowl
 dubious tale;  cock-and-bull story;  questionable information;  taking care not to be fooled
 to knit one's brows (in discomfort, unease, disapproval, etc.);  to raise one's eyebrows;  to frown;  to scowl
 to knit one's brows;  to frown
 to keep one's wits about one;  to be on one's guard;  to be wary of trickery
 to feel relieved;  to forget about one's troubles;  to settle into peace of mind
 part of the eyebrow closest to the nose
 the part of the eyebrows near the middle forehead;  inner ends of one's eyebrows
 peak of the arch of an eyebrow
 to keep one's wit about one;  to be on one's guard;  to be wary;  to keep on one's toes