sign off on sth

ˌsign ˈoff on sth(NAmE) (informal)to express your approval of sth formally and definitely批准The President hasn't signed off on this report.这份报告总统没有批准。

• spearer
• pharmacotherapies
• first watch
• DNA fingerprinting
• longyis
• cypselas
• third-degree burn
• serialisms
• disenabled
• archaeologized
• school edition
• quick temper
• bandy words (with sb)
• aciculate
• inkwoods
• adrenocorticotrophins
• raunch
• feignedness
• alternation
• spend the night with
• Big Mo
• dolichosaurus
• formula grants
• it's one thing to do A, it's another thing to do B
• Amboina wood
• jiff
• scorias
• be tried in the furnace
• irreducible element
• performance theater
• Grande-Terre
• coolley, Charles Horton
• schizo
• firedrakes
• bundle sth↔up
• morphactin
• nitrifying bacteria
• fount
• methyl arachidate
• appeal court
• all work and no play (makes Jack a dull boy)
• calkers
• go on （to 或take） the offensive
• yamum
• Group of 5
• cowered
• below the mark
• unsubstantially
• witness sth
• singspielen
• dimerisation
• Canary Islands
• drain into
• from the ground of one's heart
• nephrectomise
• phytocoenosium
• Devonian system
• norland
• a mind like a steel trap
• lor
• fine papers
• hydromedusa
• St John's evil
• syntagm
• gun-case
• Nixon Doctrine
• petnappings
• hydnoraceaes
• woodranger
• out of place
• composition metal
• hill-forts
• liberal arts
• on the rove
• put an end to yourself
• intermediate phase
• retained objects
• altrigenderism
• chinless wonders
• Leucovorin
• incidented
• histographers
• antiestablishmentarianism
• FCO
• on the dry
• immunosurveillance
• microtheory
• A.C.D.
• conformances
• rebatos
• bull fiddler
• go to
• nicolettes
• flanged piping
• invest sb / sth with
• bits
• ankle hoses
• acedias
• carjackings
• aversive conditionings