knock sb off his pins

knock sb off his pins〈口语〉使某人大吃一惊：When some mischievous students are playing amusing tricks in the classroom，their teacher suddenly appears before them，this knocks them off their pins.当几个顽皮的学生们正在教室里恶作剧时，他们的老师忽然出现在他们面前，这使他们大吃一惊。

• boulderings
• costotome
• Edirne
• i.sl
• preservationism
• Kansan
• off one's chump
• (as) slim as a reed
• whininess
• featherboning
• the business in hand
• eruptivity
• lay something on the table
• the milk in the cocoa-nut (或 coconut)
• take something with a pinch of salt
• brailles
• louses
• cocklofts
• the inside
• thunder egg
• keep nix
• lymphogram
• prudentially
• zero-level address
• suction cup
• deu-teration
• epipaleolithics
• moodyies
• kinematic boundary condition
• micropublisher
• hospitalism
• shut in the land
• the reverse side of the medal
• RM
• advocaats
• submits
• steer
• make sb's skin crawl
• Stow
• Kr
• base salary
• cañon
• magmatic water
• transnature
• machicolations
• thalassophile element
• kiss (sb's) ass
• coulomb
• tax paradise
• intimate to
• fairgrounds
• apeak
• C.W.S.
• show mercy to someone
• bespirit
• frog spawn
• Dinwiddie, Robert
• between hay and grass
• Ceratiomyxales
• crayoner
• the here and now
• sociologically
• fusel
• trigger point
• atacama deserts
• autobiog
• the wedge
• volleyer
• halfy
• chromium-plateds
• elater
• Jacintosh
• tremellales
• long man
• not know A from B
• smear words
• cast adrift
• unadvised
• floating bridge
• conflict spectrum
• colloid mill
• sonatine
• running battles
• nol-pros
• distrain for
• decommercialise
• nymphets
• photographic barograph
• hot-dogging
• PC board
• beat the pants off someone
• buccinidaes
• collapsing pressure
• epicranial aponeurosis
• basutoes
• titrimetrically
• flinties
• Castilians
• dry bread / toast
• Cherokee rose