to spend money carelessly or extravagantly
無駄遣いをする、浪費する (mudazukai o suru, rouhi suru)
"Some rich importers love to throw money around at trade fairs."
"裕福な輸入業者の中には、見本市で浪費するのが好きな人もいる。" (yuufuku na yunyugyosha no naka ni wa mihonichi de rouhi suru no ga suki na hito mo iru)
to become very tired and lose motivation due to overwork
doing something one is good at or enjoys
to not worry about something until it happens
very pleased or delighted
to be extremely jealous or angry with someone
to confuse two or more things