| pay attention(verb, expression, honor, praise) |
| be alert(verb, notice, vet, peg) |
| be careful(verb, notice, vet, peg) |
| be held(verb, vet, sized, gunning) |
| be on guard(verb, notice, vet, peg) |
| eagle-eye(verb, examine, look, vet) |
| examine(verb, look, vet, sized) |
| eyeball(verb, overlook, witness, vet) |
| get a load of(verb, expression, idiom, phrasal verb) |
| give the once over(verb, expression, idiom, phrasal verb) |
| have a care(verb, expression, idiom, notice) |
| have a look-see(verb, expression, idiom, examine) |
| heads up(verb, expression, phrasal verb, notice) |
| inspect(verb, examine, look, vet) |
| keep an eye on(verb, expression, idiom, phrasal verb) |
| keep an eye out(verb, expression, idiom, phrasal verb) |
| keep tabs(verb, expression, catch, observe) |
| keep tabs on(verb, expression, idiom, phrasal verb) |
| look at(verb, expression, phrasal verb, examine) |
| pick up on(verb, expression, idiom, phrasal verb) |