be like/as safe as Fort Knox

be like/as safe as Fort ˈKnox(of a building建筑物)to be strongly built, often with many locks, strong doors, guards, etc, so that it is difficult for people to enter and the things kept there are safe坚固且戒备森严；固若金汤This home of yours is like Fort Knox.你这所房子可以说是固若金汤。

• weeping
• Parcheesi
• elastivity
• masticable
• clubland
• optometric
• minutenesses
• command destruct
• sciolism
• taunter
• subtitler
• menisus-Schmidt telescope
• contra-
• sestertii
• quoiter
• illuminator
• ampere-hours
• constables
• cincture
• philosophization
• look sick
• graduate
• leariest
• gun captain
• magnetic station
• creak under the strain
• keep up one's act
• National Health Services
• what-the-hell
• boliviano
• virginiamycin
• apply to sb for
• coronary insufficiencies
• polypetaly
• impiousness
• meliorations
• Bauer, Harold
• hit the slats
• summer spore
• Alfieri, Count Vittorio
• ASTR
• heterozygosities
• superior mirage
• body politics
• picnic shoulder
• string-processing language
• voltameter
• do a scarper
• ADRMP
• TCA
• omentum
• outrage
• flush with
• psychological autopsy
• cybernating
• enwritten
• run sb / sth ↔ in
• circuit boards
• torrid zones
• metrified
• dichasial
• as they say
• henchmanship
• firing ranges
• dynamic tester
• Indian rice
• aggradation
• restrainer
• on/from every side
• comic-operas
• Filobasidiaceae
• statsiemens
• monolingualism
• blarneyer
• victim
• Broca's areas
• supralethally
• blind-emboss
• kaftaned
• hemangioblastoma
• wineglasses
• Goodrich, Samuel Griswold
• banner-heading
• Wycliffism
• be pushing 40 / 50 etc
• floury
• lex.
• transhumants
• dar al Islam
• on momentary enthusiasm
• salinelle
• pass off as for
• offense
• tripterous
• key of the mediterranean
• melted 或molten
• slip stitch
• chemotaxonomy
• centuplicate
• decide on/upon