He wanted to cheat others, but was cheated by others; he was really hoist by his own petard.

他想骗人，却先被人家骗了，真是搬起石头砸自己的脚。

youdao

He wanted to cheat others, but was cheated by others; he was really hoist by his own petard.

他想骗人，却先被人家骗了，真是搬起石头砸自己的脚。

youdao