happen on / upon sb / sth

happen on / upon sb / sth literary or old-fashionedto find something or meet someone by chance偶然碰上; 偶然看到:•I happened on the restaurant by chance.我偶然发现了这家餐馆。

• frequency translator
• Dorr thickener
• lancelet
• PIDE
• hoopster
• photographic sound reproducer
• Atrioventricular Nodes
• exceptionable
• BFSS
• micropore
• be sufficient for
• make neither head nor tail of
• oxaloacetic acid
• lactatings
• have a heart to do
• proper pride
• microcraters
• bleed off
• minimi
• aerogens
• ecclesiological
• Heteroptera
• nyet
• have something to do with
• subluxate
• punk jewelry
• vulcans
• Herring-Nabarro cheep
• hosed
• detached house
• moments
• relay
• pilot whale
• septemberer
• plio-
• water bird
• telescopies
• binary operations
• doomer
• in light of
• circumnavigates
• deiform
• observes
• carangid
• hairdressers
• theory of numbers
• dark blue
• fissiochemistry
• bottle imp
• monstrosity
• union label
• Freudianism
• critical pressure
• set sb / sth against
• keep sth on
• salpinx
• take the bitter with the sweet
• putterer
• gynarchy
• bully off
• cut / untie the Gordian knot
• week in
• demassifies
• virtuosis
• M.Sc.D.
• Russell effect
• tellurium disulfide
• scudoes
• hatchet work
• undyingly
• Sand Rats
• -oidea
• mengovirus
• sell like hot cakes
• indigentness
• gigabit
• body drop
• Appian Way
• indicating
• Flacourtiaceae
• David Copperfield
• endamasked
• -algia
• altitude test
• have/take a gander (at sth)
• slide fastener
• hygienes
• road mix
• can't hack sth
• sign digit
• Yinchuan
• deserve for
• camptothecin
• oiled
• library sciences
• Quintin
• moulvi
• adjusted stream
• diglycerol
• Father of lies