be on the lookout

drag examine forage go after interrogate investigate prowl scour seek

delve grope inquire probe quest question ransack rummage sift trace trail winnow

cast about ferret out fish for look all over hell look high and low nose around run down scratch around search high heaven try to find

answer ignore reply rush

let go neglect

attend guard protect take care of wait

mind oversee patrol police superintend tend watch over

be on alert be vigilant be wary be watchful care for keep an eye on keep eyes open keep eyes peeled keep watch over look after look out pick up on ride shotgun for take heed

ignore neglect

harm hurt overlook pass by