英和和英

exploratory reconnaissance

to look at something carefully, in order to find out the facts about it

to prospect for gold

Tackle research

do research

do research

exploring thoroughly

go exploring

perform an experiment

conduct a survey

prosecute an inquiry

make a survey of

an undercover investigation

to reconnoitre the enemy―feel the enemy

undertake an experiment

an application for permission to prospect a mine

probe an anthill

search thoroughly

make a discovery

inquire into

to investigate

to inquire into ancient practices

searching insights

examine thoroughly

launch an inquiry

to investigate secretly

the pastime of exploring caves

make an exhaustive search

prosecute an inquiry

close investigation