as tough as leather

as tough as leather (食物)硬得像皮革一样：We are sorry to say，the cake he bought is as tough as leather.我们很遗憾，他买的那蛋糕硬得像皮革一样。

• dysgammaglobulinemias
• core sand
• parallel operations
• cross polarization
• Chateau-Thierry
• speech defects
• touries
• roulades
• fortysomething
• Cyclopteridae
• endosteums
• declares
• mopsticks
• bring to the ground
• linoleum
• dariuss
• fogram
• slugabeds
• nonproductivity
• toxiferine
• muttering
• geopotential thickness
• unipolar
• ea
• get at the bottom of
• in aid to
• doilt
• odd job
• bowleggedness
• bundesbanks
• exogenetic
• fashion houses
• postfrontal sutures
• deadweights
• vexingly
• noology
• wheelbases
• corrading
• Tuinal
• pull round
• set the seal on sth
• what possessed you?
• accretion
• return good for evil
• arm langauge
• USAF
• teddy boys
• point-to-point communication
• all rights reserved
• seisable
• situationisms
• marbly
• emancipating
• take the air
• disheritor
• heliacal rising
• sloop rigged
• jackrabbit
• presbyterianisms
• knighted
• insurances
• nightmarishness
• technotronic
• Great Mogul
• metalling或-aling
• lambda sulfur
• sue for peace
• Ole Miss
• pipits
• Cornell, Ezra
• thiosulfate
• hygrometric
• can't hold a candle to sb / sth
• blain
• sperm oils
• get the bird
• command post
• nonreproducing code
• it's about/high time
• quinquennium
• fly the deck
• Yours Ever yours
• new england clam chowders
• lockable
• color prejudice
• pressure-cook
• bettong
• rigidizer
• Morley, Edward Williams
• nebuliums
• on the hunt for
• house of tolerance
• pratoes
• calliper compasses
• decuplets
• as men go
• bring an accusation/action against
• crop up
• in more ways than one
• quite the go