an unidentified but informed source
未確認だが情報提供者 (mikakunin daga jōhō teikyōsha)
"A source close to the matter confirmed the rumor."
"関係者が噂を確認した。" (kankeisha ga uwasa o kakunin shita)
to increase interest or support for something
to be fair and positive in difficult situations
to increase your effort or speed
a strong and harmful need to do or use something
deeply shocked or disturbed
to take action or start doing something