be hanging over someone's head

be hanging over someone's head (of something unpleasant) threaten to affect someone at any moment （不愉快之事）随时威胁。

• loading
• objectionable
• Gregarina
• side arm
• get sb through sth
• grayhounds
• acanthosis
• strike dumb
• mineralogies
• kMc
• purifications
• enter into particulars
• tenselessly
• the turn of the tide
• zinc stearate
• look see through coloured spectacles
• ostomates
• sandlotter
• delta-winged
• upper cyclone
• null and void
• on first acquaintance
• convergence magnet
• nephrectomises
• floor hockey
• American Bible Society
• β-amylase
• folding camera
• 2-butoxyethanol
• whence the wind lies
• lainer
• pathologically
• band-pass filter
• juxtaposings
• shaddock
• lacklustre
• semifinals
• magnetograph
• petrosal nerve
• trashsports
• tenths
• optionable
• nonuser
• repentingly
• acheilia
• send someone on a fool's errand
• cryogenic pumping
• spot on
• bakeshops
• fuel-injecteds
• Lord (God) of hosts
• arquebuses
• nivation glacier
• goal differences
• task programming
• fetiches
• lady of easy virtue
• standing operating procedures
• decolorizing
• correctingly
• ebullient
• sanitations
• improvisation
• semidocumentaries
• satinize
• emboly
• keep sb↔on
• crest value
• past retrieval / retrieve
• Cartesians
• aracari
• microlitres
• Ginger
• zairean
• radiation pyrometers
• keep one's powder dry
• prosper in one's suit
• intrudingly
• haitian creoles
• microdonts
• slowest
• flautists
• bollixed
• automatic management system
• persulfuric
• Reno
• stratified volcano
• tan oak
• selective fading
• calcium hydrides
• footiest
• toby
• poulp
• gobs
• spider lily
• sell your ass
• cross-culturally
• rivalry
• probes
• greengage