| nose around(verb, expression, phrasal verb, study, consider) |
| overhear(verb, bug, spy, hear, monitor) |
| phone |
| probe(verb, study, consider, examine, review) |
| prospect(verb, study, consider, examine, review) |
| put to the test(verb, expression, idiom, study, consider) |
| question(verb, study, consider, examine, review) |
| read(verb, study, consider, examine, review) |
| research(verb, study, consider, examine, review) |
| review(verb, study, consider, examine, case) |
| ring |
| ring off |
| ring up |
| run down(verb, expression, phrasal verb, study, consider) |
| scout(verb, study, consider, examine, review) |
| scrutinize |
| sift(verb, study, consider, examine, review) |
| sit in on(expression, idiom) |
| snoop(verb, bug, spy, monitor, poke) |
| stake out(verb, expression, phrasal verb, study, consider) |