I've known sb / sth to do sth

I've known sb / sth to do sth or sb / sth has been known to do sth used to say that someone does something sometimes or that something happens sometimes, even if it is unusual我听说过某人做某事/发生了某种情况〔尽管并不常见〕:•People have been known to drive 500 miles just to visit the shop.听说有人驾车 500 英里只是为了去这家商店。•This type of fish has been known to live for 10 years or more.据说这种鱼能活 10 年甚至更长时间。 SPOKEN PHRASES

• pachoulis
• conniption fit
• outdraws
• off again, on again
• Woodstock
• Judas
• wont 或 wonted
• matzah
• redrapes
• sodium hypochlorites
• savagings
• priser
• have two left feet
• robotologist
• static reflex
• throw ... weight
• Stobbe reaction
• eminent souls
• amphoterism
• downmarketing
• recreational vehicles
• sb's card is marked
• Italiote
• continuant
• coracles
• put on the hairshirt, wear a hairshirt
• actual malice
• Biblist
• strengthless
• kettle holes
• acetylene
• gift vouchers
• hypochlorhydrias
• Between
• paint sth in bright colours
• perforces
• bead and quirks
• to someone's thinking
• private placement
• a pregnant pause/silence
• you, etc. can stuff sth
• put a (或the) double on someone
• downgrades
• goopher dust
• tar sands
• Granuloreticulosia
• subsoilers
• discompose
• fumeless
• in the last place
• African lilies
• cowrie
• sausages
• benzyl ether
• passive solar system
• bounce back
• sis
• trewss
• geostrophic flux
• air ferry
• geometric cut
• no-goodnik
• inunction
• upwards
• prickly-fruited
• no-stick
• on the shelf
• in quiet
• Alessandra
• Anadyr, Anadir
• vixens
• zonate
• Dexaminidae
• acoustical holography
• canaster
• broomy
• scheme of maneuver
• pursuers
• preconscious
• silic-
• brainish
• interpenetrate
• lobotomises
• subordinative
• front-paging
• glaciologist
• allophore
• compartmentalizing
• New Worlder
• self-immolating
• stepladders
• beat tone
• VFR
• tough shit!
• Agincourt
• beat sb’s head off
• shoot to kill
• coenotype
• phonograph pickup
• agma