down the drain totally wasted or spoilt. informal
1930W. Somerset MaughamThe Breadwinner All his savings are gone down the drain.
laugh like a drain: seelaugh.
英语词组固定搭配大全包含15956条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。