to visit someone casually and without an appointment
誰かをカジュアルに、予約なしで訪問する (dareka o kajuaru ni, yoyaku nashi de hōmon suru)
"We decided to drop in on our cousins while passing through their town."
"私たちは彼らの町を通り過ぎる時、ドロップ イン オン 私たちのいとこに決めました。" (watashitachi wa karera no machi o tōrisugiru toki, **drop in on** watashitachi no itoko ni kimemashita)
to agree collectively on an issue after discussion
to prepare yourself for sustained effort
to behave in a confident and graceful way
to prepare goods so they are ready to be sent
to talk kindly or appreciatively about someone
to be disconnected from what is real or practical