to be betrayed or cruelly let down; to suffer a bitter disappointment due to someone else's actions
あいつに投資を勧められて信じたら、結局煮え湯を飲まされた。
I trusted him and invested as he suggested, but in the end I was betrayed.
長年の友だちに裏切られて、煮え湯を飲まされた気分だ。
I feel like I've been betrayed and severely hurt by a long-time friend.
あの会社のやり方に従ったら、煮え湯を飲まされることになった。
Following that company's practices ended up causing me to be badly treated.
to be brought to grief; to be given a hard time by an opponent or situation
新しい仕事でうまくやろうとしたが、先輩に煮え湯を飲まされた。
I tried to do well at the new job, but a senior colleague gave me a hard time.
彼は以前のプロジェクトでさんざん煮え湯を飲まされたらしい。
Apparently he was thoroughly mistreated in his previous project.