英和和英

inquire into

do research

make a survey of

do a survey

prosecute an inquiry

to probe a matter to the bottom

Please proceed with the investigation―go on with the investigation―go ahead with the investigation.

to investigate the matter closely―sift the matter to a crumb

launch an inquiry

to investigate a matter closely―sift the matter to a crumb

to investigate a matter closely―sift the matter to a crumb

to investigate a matter thoroughly―probe a matter to the bottom

under investigation

to make a close investigation―a minute investigation

to be proved by an investigation

to investigate something thoroughly

make an examination or investigation

We shall investigate in due order―in due succession―in regular sequence.

the act of making an investigation of someone

to investigate a matter thoroughly―probe the matter to the bottom

the result of a survey

study in the field

hold an official inquiry

to go on an exploring expedition

by inquiry

the action of surveying all areas of something under investigation

matters requiring investigation―matters for investigation

a narrow examination

probe an anthill

keep under careful scrutiny