Lord (only) knows (what, where, why, etc.)…

ˈLord (ˈonly) knows (what, where, why, etc.)…(informal)used to say that you do not know the answer to sth（表示不知道答案）天知道，天晓得‘Why did she say that?’ ‘Lord knows!’“她为何那样说？”“只有天知道！”

• collapse structure
• with one mind
• Dow.
• against the collar
• faciobrachial
• bromatotoxism
• tempt fortune
• hoist the flag
• brancards
• collages
• National Trust
• trade-named
• Hendricks, Thomas Andrews
• dulcetness
• perilla
• colleagues
• input-output buffer
• avignons
• Poujadist
• be doing good business with
• treasurer
• plots
• skipper
• exhale
• USCG
• forgers
• turn to sb / sth
• operatorless
• heavy schedule / timetable / day etc
• Hong Kong dollar
• Thamnidiaceae
• split link
• eugenicist
• cockscombs
• kingdomless
• north temperate zone
• West Ender
• unrobe
• skydivings
• drove-road
• eye-catchers
• Gironde
• milling planer
• stray bullet
• amoves
• two-body force
• honest broker
• glumness
• spination
• rank-and-files
• coal oils
• lotoses
• methallyl alcohol
• crane helicopter
• pack house
• exfiltrated
• electron-beam fusion
• full disclosure
• throw someone off his guard
• afraid
• stepneys
• chalk and cheese
• linear
• allseed
• simian immunodeficiency virus
• transistor radios
• iliofemoral
• breadline
• be ignorant of
• in someone's name
• vacuum pump
• kumasis
• shaft graves
• unexpectedly
• be sent off in disgrace
• metallists
• cytogeneticist
• megillah
• postmastership
• inversely proportional
• jerk the cat
• underglazing
• Baby Bells
• disci-
• battercakes
• prima donna
• thermal jet
• make pax with
• bishop designate
• Korean Strait
• SUB
• toe-in
• Bandar Seri Begawan
• Austin
• novella
• godheads
• opinioned
• presenile
• manganese
• road menders