what's up with that?

what's ˌup with ˈthat?(especially NAmE)used to suggest that sth you have heard is a stupid idea or does not make sense那是什么回事（表示听到的话愚蠢或无聊）They dropped their best player. What's up with that?他们把最佳队员弃用了。那是什么回事？

• in low spirits
• Mariolatrous
• get doing sth
• spued
• sonsier
• loose-leaf binder
• calculability
• douse
• disseise
• commonplaces
• self-builds
• spring lines
• contraflow
• loud one
• short round
• dedramatized
• amanitotoxin
• blue books
• sauropterygias
• New World monkey
• sloper
• ash-colo(u)red
• garimpeiro
• altruistically
• millimicro-
• otopathies
• ultraminiaturisation
• otherguess
• impudences
• back-pages
• East St.Louis race riot
• get / put sb's back up
• fovea
• ear-sight
• have cast-iron balls
• hark back
• misapply
• kurrajongs
• day-tripper
• dogging
• ganoid scale
• Rarotongans
• coastlines
• rhapsodic
• hallstand
• rhabdomyomata
• arboresced
• the falls
• caning
• act for
• special revenue sharing
• nannettes
• delay distortion
• DOF
• cinderies
• Tibullus, Albius
• abr.
• aversive behaviour
• fibrous composite
• cycleway
• big dipper
• batture
• palazzo pants
• assisted takeoff
• fish stories
• in the green wood
• bosom friend
• cord-cordless
• junctor
• Apocr.
• RTO
• take in hand
• wolves
• geostationary orbits
• demandable
• clarionets
• B.Soc. Sc.,B.S.Sc.
• HERED
• fall on stony ground
• arsy-varsy
• constraint matrix
• iterativeness
• texturized
• polyandrous
• burn for
• leave in
• rollicksomeness
• go into particulars
• unmindfulnesses
• hellgrammites
• jump to a conclusion
• commit an offence
• yodeler
• pageants
• spermatozoid
• hydrophyte
• GMS
• ecol
• deep-penetration
• giftwrapping