be thirty-something / forty-something etc

be thirty-something / forty-something etc used to say that someone is aged between 30 and 39, between 40 and 49 etc when you do not know exactly三十几岁/四十几岁等

• darns
• touch all the bases
• turn (sb) away from sb / sth
• biostabilizer
• to someone's relief
• impact microphone
• inaccessibly
• there are no easy answers
• in league (with sb)
• compound generator
• tong
• fire-hunt
• Ellington,Edward Kennedy
• optical gauge
• inteneration
• out of line (with sb/sth)
• monitorial system
• one-off
• keratomycosis
• optimization
• MPTP
• jerk (或shoot) the cat
• grossulars
• quilts
• obduct
• Woonsocket
• Yorubans
• check nut
• kick something around（或about）
• shebas
• quondam
• opisthograpical
• gey
• carbon restoration
• sodium lamps
• intoning
• the high place
• South Africanism
• pseudointransitive
• plasmolyzes
• MMPI
• give a hostage to fortune
• engobes
• business zone
• coal miner
• literality
• amputated
• weather plane
• costas
• sorry to bother you
• ultrasonograph
• disuse
• mushier
• sentinelled或sentineld
• human relations
• droppers
• sb's face doesn't fit
• a fifty-fifty chance
• new media
• placeboes
• somnambulists
• Bradypodidae
• make the scene
• jew-baiters
• full faith and credit
• Diaphragm Pumps
• the Archean
• start something
• the metric system
• poor doer
• ingratiate oneself with
• shadowboxing
• junction transistor
• nose flute
• double modal
• elaters
• Polycytidylic Acids
• rotating joint
• Shelley, Mary Wollstonecraft
• saturated zone
• outvied
• city code
• vigilance committee
• curlpapers
• capellini
• deputyships
• disengaging action
• psychometrical
• zymosan
• demies
• a bad mixer
• randomizings
• multimarket
• remand centre
• drop the hankerchief
• dextran preparation
• wide-opening
• process printings
• wide-open
• two-facedness