laugh like a drain
笑得很大聲或很盡興
口語·形容笑得非常大聲和盡興
英文釋義
To laugh very loudly and uncontrollably
例句
When she told the joke, everyone laughed like a drain for five minutes.
典故來源
源自20世紀英國俚語，drain（排水管）比喻笑聲大而持續，像水流聲一樣。