be hoist with/by one’s own petard

be hoist with/by one’s own petard害人反害己;自害：Upright people aim themselves at kindness to others and never mean evil，a sinister person is often hoist with his own petard.正直的人与人为善，从不心怀恶意;不良的人时常害人反害己。

• uvarovites
• stomach tubes
• agility
• picture postcard
• tiaralike
• superstitionists
• lay off (sth)
• actinomorphic
• draw level
• pass sb / sth off as sth
• concertmasters
• deflated
• our fellow creature
• battery jar
• shareability
• happen past
• ambicolo(u)ration
• vitelline artery
• absorption fading
• zlotys
• Hofmann reaction
• fictionist
• rubifies
• astringe
• take-back legislation
• necessitude
• extinct
• the cleaner's
• improve the occasion
• missiles
• didact
• milestoned
• west yorkshires
• dig away
• etherialise
• nuclear radiation spectroscopy
• pathographies
• Michael addition
• Wu
• tiver
• mummy case
• cooze
• pole bean
• medium-scale integration
• brainlessly
• potato
• phenoxide
• cartoonists
• demean oneself
• smoke and mirrors
• trigynous
• ditto mark
• Mammutinae
• qwerties
• beat/knock the (living) daylights out of sb
• connect hours
• Protochordata
• spiraeas
• lacto-
• skin-bound
• heavy hearted
• phase-modulation transmitter
• pan adapter
• be the shield and buckler
• shoulder-wing monoplane
• witheredness
• intercontinental ballistic missile
• be all adrift
• philippine seas
• slipperwort
• go forth
• pirate vessel
• operationists
• in agreement
• scag
• -st
• Stan.
• hadrosaurian
• bornholm diseases
• square up to sb / sth
• pay-as-you-goes
• thymopharyngeal ducts
• jam the brakes on
• diurnal circle
• federalise
• koninckite
• aporepressors
• abjectly
• assumingly
• neckties
• true course
• aphotic zone
• montera
• tondals
• Sun.
• money game
• open weaves
• Clausius statement
• ontogenesis
• bravuras