as hard as a brick

as hard as a brick极硬：We want to dig a cave in the ground but it is as hard as a brick.他们想在地上掘一个洞，但是土地非常坚硬。

• three-deckers
• Obraztsov, Sergey Vladimirovich
• misallocation
• dosimeter
• wound someone's pride (或 the pride of someone)
• dry-farm
• witchmen
• tinderbox
• transitives
• F.F.I.
• corncrake
• Oxford marmalade
• fresh-water college
• pancreatotomies
• palsy
• bog turtle
• sinus arrhythmia
• rusing
• spherotoric lens
• Venetian school
• docket
• hold someone's hand
• in their/our/its/your midst
• crescentic dune
• life sentences
• ask of
• not a stitch to one's back
• spider monkey
• racial
• slip one's breath
• Hutchinsonian niche
• custom-made / custom-built / custom-designed etc
• effort
• draw up with
• launch on
• die cearance
• overcropped
• panel heating
• Tyranni
• doggednesses
• Stadler, Lewis
• set square
• sniffler
• shoulder knot
• pieceworkers
• black day
• polyvinyl alcohol
• shepherdesses
• methoxybenzenes
• feverwort
• Tithonian
• mouthies
• turn sb on (to sth)
• national anthem
• irrepressibility
• ascendence
• arbor hole
• divinely
• originatest
• the Diaspora
• rettinger
• industrial engineers
• elegise
• Fort William
• glue
• wackest
• nonconductor
• keep sight of
• food insecurity
• chromium steel
• tenpences
• old firm
• (at) full tilt
• tristimulus values
• butyric aldehyde
• narc
• stay the stomach
• Acheson, Dean
• deformalizes
• specifics
• Ascolichens
• pressure drawdown
• woody nightshade
• take it/sth out on sb
• catch someone napping
• vertical curve
• personal computer
• mumbletypeg
• intermediate hosts
• of record
• speak for sb/sth
• BX
• relieve the (或one's) bowels
• bryological
• popularisation
• gladdings
• terphenyls
• muskellunges
• somatoplastic
• quipster