試し験けん中ちゅう

noun which may take the genitive case particle 'no'

under examination; being tested; on trial

Describes something currently undergoing an exam, test, or trial. Often used with の to modify a noun.

• その新しん薬やくはまだ試し験けん中ちゅうです。

  The new drug is still under testing.

• 試し験けん中ちゅうの学がく生せいは静しずかにしてください。

  Please be quiet for the students who are taking the exam.