a card up one's sleeve

a card up one's sleeve Brit. a plan or asset that is kept secret until it is needed 〈英〉必要时才公开的计划（或优势）; 锦囊妙计。

• plum tomato
• ragamuffinly
• tizzies
• get by (on/in/with sth)
• black-eyed Susan
• paraxial rays
• inchage
• fire screens
• atomic bomber
• give sb / get a walloping
• Moslems
• charming
• syllabicate
• external strabismus
• obits
• assonances
• hold up one's head（或hold one's head high）
• take someone to law
• long train
• remeasure
• the day after
• regretter
• actress
• belt drive
• mind healer
• sit to an artist
• Ashe
• compostables
• incomings
• rust-resistant
• pressure release
• high gears
• melt down
• ingrown
• mummerys
• doughface
• electrothermics
• whoopers
• Duque de Caxias
• pourboire
• friendship price
• number theory
• tetrazolium
• lain
• Wolverhampton
• lm
• pacey
• dupion
• initialized
• transcendental meditation
• neurites
• prevalent
• circulations
• unspectacularly
• stathenrys
• cyma
• calculus of vectors
• liguloid
• transverse interference
• semitonically
• handle
• black grass
• gymkhana
• Victory Medal
• parallel computer
• calentural
• gan
• autumn of life
• mop ... up
• let loose the bloodhounds of war
• zoophile
• EBM
• through-composed
• deuteroplasm
• mournfulnesses
• cloner
• zoris
• dogtrotting
• feet
• WAC
• Chanel
• incut
• heliotactic
• gingerbread trees
• swabbing
• barn-door fowl
• forestries
• Keupers
• toothache trees
• polarimetric
• Porifera
• desiderative
• of a high order
• calibration
• quotient ring
• tincal
• mason-dixon lines
• purringly
• go through the hoop
• tithes