to visit someone casually without prior arrangement
事前に取り決めなくカジュアルに誰かを訪ねること (jizen ni torikimenu kaku kajuaru ni dareka o tazuneru koto)
"My neighbors often drop in for coffee in the evening."
"私の隣人はよく夜にコーヒーを飲みにドロップインします。" (Watashi no rinjin wa yoku yoru ni kōhī o nomi ni **doroppu in** shimasu.)
to progress emotionally faster than before
to avoid something or someone for a good reason
to talk kindly or appreciatively about someone
to use past experiences to improve future actions or perform...
to gradually remove limitations on trade
to get great pleasure from something
