to communicate an idea effectively
アイデアを効果的に伝える (aidea o kouka teki ni tsutaeru)
"He used visuals to bring across his main idea clearly."
"彼は視覚素材を使って、彼の主なアイデアを明確に伝えた。" (Kare wa shikaku sozai o tsukatte, kare no omona aidea o meikaku ni tsutaeta.)
to study or get information about something by reading
to suddenly start talking about something unrelated
to resist or defend against illness or attack
to exchange ideas, beliefs, or customs with others
to mention or direct attention to something mentioned earlie...
to rebel or protest against authority or oppression