be built on/upon (the) sand.

be built on/upon (the) sand.建立在不牢靠的基础上;不稳固：These two companies suspected each other，their association was built upon sand.这两家公司互相猜疑，他们的联合建立在不牢靠的基础之上。

• beat the woods
• come into contact with
• carbocationic polymerization
• peripheral vision
• cribjob
• Gaelicise
• make land
• castle wheel
• aneroid diaphragm
• self-defence
• medically needy
• byred
• all is over
• tolerate
• Book of Books
• glimmer
• spinous
• dogs of war
• light the / sb's way
• vertebratas
• tragic
• histolysis
• denominator
• bureaucracy
• holohedrism
• drag by
• make a martyr of oneself
• Congressional Medal of Honor
• curly-coated retriever
• cut the Gordian knot
• Phi Beta Kappa
• B bursary
• potential well
• appinite
• sieved
• shoddiest
• arcae
• simultaneity
• injunction
• money
• up to the notch
• acceleration tolerance
• think of
• ectoderm
• solid moment of inertia
• Münchhausen, Karl Friedrich Hieronymus von
• paradisaical
• expresso
• osmoregulation
• dumpster divers
• mantelshelf
• raised flooring
• Rittinger's law
• compel attention
• boston rockers
• liquid fired
• pardonableness
• job descriptions
• lusciousness
• conclusiveness
• put the Indian sign on
• prescriptivists
• do sth at your own risk
• Gomphotheriidae
• dredgings
• avarice
• sense amplifiers
• proofreading
• F.O.B.
• foreign body / matter / object
• pearl oyster
• go for a short run
• double-work
• arch-felon
• bedrock fact
• trisome
• baromil
• voltaic vertigo
• lepuss
• cosmetic injury
• demineralizers
• hop-picker
• wild thing
• conglomerating
• take its spring from
• deaerated
• desolatenesses
• handies
• double modulation
• Arrow
• disk jacket
• incompressibleness
• stear-
• acetylide
• for Christ's, God's, goodness', heaven's, pity's, etc. sake
• Idoteidae
• even so
• preludize
• beastliness
• ethnomusicologists