害人终害己hai ren zhong hai ji

be hoist with one’s own petard

• ugly
• UK
• ultimate
• ultimately
• umbrella
• un-
• unable
• unacceptable
• unaccompanied
• unachievable
• unachieved
• unaffected
• unafraid
• unannounced
• unanswerable
• unanswered
• unappealing
• unarmed
• unattainable
• unattended
• unattractive
• unavailable
• unavoidable
• unavoidably
• unaware