我的表哥是个挥霍无度的人，经常把钱浪费在无用的奢侈品上。

My cousin is a ___squanderer who often wastes money on useless luxuries.

他本可以成为伟大的音乐家，却因为懒惰浪费了自己的天赋。

He could have been a great musician, but laziness made him a ___squanderer of his talent.