| pick up on(verb, expression, idiom, phrasal verb, study) |
| pin(verb, regard, observe, look) |
| pipe(verb, regard, observe, look) |
| read(verb, mark, note, regard) |
| recognize(verb, mark, note, regard) |
| regard(noun, verb, mark, note) |
| rubber(verb, regard, observe, look) |
| scrutinize(verb, study, mark, note) |
| spy(verb, mark, note, regard) |
| study(verb, mark, note, regard) |
| survey(noun, verb, study, mark) |
| take in(verb, expression, mark, note) |
| watch(verb, study, mark, note) |
| witness(verb, study, mark, note) |
| eagle eye(expression, mark, notice) |
| rubberneck(verb, regard, observe, look) |
| size up(verb, expression, phrasal verb, regard) |
| stare at(verb, expression, regard, observe) |
| wonder(verb, regard, observe, look) |