dig into, examine, investigation, poke into, multiprobe, microprobe, probing, inquiry, detection, cryoprobe, more...

ignore, overlook, neglect, disregard, bypass

thermometer, barometer, hygrometer, anemometer, seismometer, sonar, radar, space probe, more...

specific, small, fluorescent, periodontal, single, sensitive, fine, oligonucleotide, blunt, current, ultrasonic

govt. investigation,   exploring tool,   poke through,   ask cautiously,   lightly question,   deep investigation,   feel into,   feel you out,   investigate further,   to ask cautiously