下した調しらべ

noun, noun or participle which takes 'suru', transitive verb

preliminary investigation; advance research

General term for looking into something beforehand, such as checking facts, scouting a location, or gathering background information.

• 旅りょ行こうの前まえに、観かん光こうスポットを下した調しらべしておいた。

  Before the trip, I did some advance research on sightseeing spots.

• 面めん接せつの前まえに会かい社しゃのことを下した調しらべするのは大たい切せつだ。

  It's important to do preliminary research on the company before an interview.

noun, noun or participle which takes 'suru', transitive verb

preparation for class; studying ahead

Specifically used for preparing for a lesson or class by studying the material in advance.

• 次つぎの授じゅ業ぎょうのために教きょう科か書しょを下した調しらべしておこう。

  Let's go over the textbook in advance for the next class.

• 彼かれはいつも予よ習しゅうとして下した調しらべをしてから授じゅ業ぎょうに臨のぞむ。

  He always does advance preparation before attending class.