to say something unintentionally
うっかり何かを言ってしまう (ukkari nanika wo itte shimau)
"The secret just slipped out during the chat."
"その秘密はただの会話の中でうっかり漏れた。" (sono himitsu wa tada no kaiwa no naka de **ukkari moreta**.)
to increase speed or progress
to experiment with ideas, materials, or techniques
to pay close attention when someone is speaking
to use past experiences to improve future actions or perform...
to remove dirt or pollution from a place; to make something...
to stop using your phone and keep it aside
