come up/turn up trumps

ˌcome up/ˌturn up ˈtrumpsto do what is necessary to make a particular situation successful, especially when this is sudden or unexpected打出王牌；做有助于获得（意外）成功的事I didn't honestly think he'd pass the exam but he came up trumps on the day.说实话我以为他考试及不了格，但是那天他发挥出色，考得不错。

• autorail
• control instructions
• leave sb / sth be
• unloads
• disk crash
• master compass
• strike forces
• paradise Valley
• the southern hemisphere
• on sound lines
• head-over-heels
• usu.
• active citizenship
• plucky
• tartarised
• casserole
• a good job
• lanes
• take (or get) a pounding
• letties
• spindle-legged
• cauliflower disease
• gabuns
• roadbuilding
• wreathed
• nosebag
• Fish Flours
• knackery
• heterogamete
• satisfactionist
• mark with a white stone
• sound check
• tippier
• tittup(p)y
• Iridaceae
• blackamoor
• retuse
• cause the fur fly
• at that
• burnouts
• first quarters
• intravasation
• to one's cost
• roll sth ↔ out
• naturopath
• Northallerton
• trailhead
• on orders
• discomposed
• weapons-grades
• light-negative
• tenkoes
• front pages
• dapsone
• resinoses
• E scope
• Chesapeake Bay
• flying squirrel
• musk cats
• parathyroidectomies
• agueweeds
• graciles
• dicacodyl
• fluffhead
• ground pressure
• malfunction routine
• merdeka
• culturally deprived pupil
• i.h.p
• Caratheodory outer measure
• semiographies
• melanosis
• ferrums
• parentals
• euphuist
• basic sediment and water
• telluric acid
• toxic wastes
• pop one's clogs
• it is incumbent upon / on sb to do sth
• stardusts
• duteous
• frighten/scare sb out of his wits/
• overcoming
• fling back
• pebbling
• crypto-colonial
• go one's way
• Yugoslavia
• what can I do you for?
• Egeria
• up to the armpits
• Chordodidae
• exuberate into
• G1 phase
• Trinidad and Tobago
• Ponchielli, Amilcare
• acrotrophic
• the flower of life
• cytotropism