on your back

on your back informal not politeif someone achieves something on their back, they achieve it by having sex with someone在床上一躺〔指通过与别人发生性关系而达到目的〕

• contemptibilities
• no matter what
• card clothing
• legalities
• civil service
• annotatings
• catering
• and things
• complex ions
• ball-bearings
• alveola
• blow at a cold coal
• put sb/sth on the map
• chicaner
• sit up late
• proceed against
• answer generals
• bumper sticker
• have (time) off
• Crimea
• bozette
• Crow Jim
• chemurgic
• barebacker
• consult with
• crosslights
• bear resemblance to
• Adidases
• cross-filer
• cell membrane
• Calamitales
• at the drop of a hat
• by stages
• get off with the skin of one’s teeth
• basket winding
• be history
• ply sb with questions
• bone shaker
• bottle test
• make the best of things
• always assuming / supposing (that) sth
• to the letter
• bridalty
• be au fait with sth
• Anzio bridgehead
• let sb off (sth)
• classicality
• confining
• switch sth↔off/on
• abortionists
• a brick short of a load （或two sandwiches short of a picnic, etc.）
• adst.feb.
• brewiss
• as well (as sb/sth)
• bioecological
• give point to
• Heaven / God / who / goodness knows!
• to that extent
• benevolent
• botryomycoses
• Biblism
• begot 或 begat
• by hook or crook
• bossets
• Araqil
• Barnato, Barney
• bander
• comfiest
• cicatrizes
• to the death
• castellan