look into

调查，观察，过问，窥视

loofah (also esp US luffa), look, look after, look ahead, look ahead to, look around, look at, look at sth, look back, look back (on sth), look black, look down on, look down on sb/sth, look for, look for sth, look forward to, look forward to sth/doing sth, look in, look in (on sb/at...), look in the eye, look into sth, look into the future, look like, look on, look one's best, look out, look out of, look over, look over sth, look round, look through, look through sb, look to, look up, look up to, look up to sb., look upon...as..., look-alike, look-in, look-out,