take it upon / on yourself to do sth

take it upon / on yourself to do sth formalto decide to do something without getting someone's permission or approval first擅自作主做某事，自作主张做某事:•Reg took it upon himself to hand the press a list of names.雷吉自作主张给了媒体一份名单。

• indoctrinatory
• Otoe
• e.f.l
• stomatomy
• stick/hold on like a limpet
• high liver
• interflow
• illiberalness
• allelomimicry
• true equator
• slowcoaches
• try your luck (at sth)
• gel permeation chromatography
• keefs
• fore-topsail
• overplus
• optimum bunching
• mop up the floor with someone
• biosphere 2
• cormorants
• housing scheme
• spirit up
• out of the pan into the fire
• evangelical
• take a hike
• apologize for
• encyc
• allotheism
• give someone/thing a (good) run for their money
• Goldoni, Carlo
• typographic
• critical Mach number
• scrollwork
• mockneys
• maculae
• fluorimeters
• vivaciously
• intermetallics
• bird-catchers
• Gideons
• remake
• road kill
• fat load
• Prince of Wales Island
• transcultural psychiatry
• terminal sinus
• laminarialess
• microphotography
• gcas
• Hydri
• Gymnaster
• celestial marriage
• Xanthus
• Bronx
• lust after / for
• mohammeds
• dechlorinate
• double eagle
• updated
• for fair
• alphabetic characters
• make-ahead
• chlordiazepoxide hydrochloride
• obnubilated
• rhabdomere
• obstructionism
• velds
• blotlike
• circumvolution
• have sb at one’s beck and call
• bitter almond
• feed current
• to.
• be under a cloud
• ethnic minorities
• putting-out system
• deforester
• atriopeptin
• analog watches
• bimbette
• principal meridian
• phenyl methyl ketone
• nimbyism
• decastyles
• tug at sb's heart / heartstrings
• janiceps
• synaptonemal complex
• club-hop
• oversees
• immobilist
• modem
• round something out
• olistostromes
• soonest
• amphisbaenous
• chieftain
• hemotherapy
• incremental repetition
• optical type font
• reunifying