I tend to flush old medicines down the toilet. 我往往用马桶冲走过期药品。
Please do not flush sanitary products down the toilet.
I have a suspicion that the student flushes his lunch down the toilet.
They were accused of flushing contraband down the toilet before police arrived.
He tried to flush a flannel down the toilet and clogged it.
He had ripped up the document and flushed it down the toilet.
See also: flush verb (TOILET)