玩火自焚的英文：
[Literal Meaning]
play/fire/oneself/burn
He who plays with fire will get burned.

[解释]
做害人的事，最后受害的还是自己。

[Explanation]
One who takes risks or does things harmful to others will perish oneself.

[例子]
他再这样下去很危险，最后很有可能会玩火自焚。

[Example]
It will be dangerous for him to remain stubborn and he might meet his destruction in the end.

[英文等价词]
Whoever plays with fire will perish by fire.
ride the tiger