yǎng​hǔ​wéi​huàn

to nurture a tiger invites calamity

Senses

养虎为患/ 養虎為患 yǎng​hǔ​wéi​huàn to nurture a tiger invites calamity

to indulge or nourish an enemy is to invite future trouble; to create problems for oneself by being too lenient with a dangerous person

References

synonym 养虎伤身/養虎傷身 养虎为患/養虎為患