if in doubt

if in ˈdoubtused to give advice to sb who cannot decide what to do如果没把握；如果拿不准If in doubt, wear black.拿不定主意就穿黑色衣服。

• KSR
• afflicts
• correction chamber
• Gide, Andre (Paul Guillaume)
• sledge dogs
• Gram-Schmidt orthogonalization
• cross ratio
• fabaceous
• Scheat
• Focal Epilepsies
• ladyfish
• wheel sleeve
• prefixture
• gangmen
• extraofficial
• clear as that two and two makes four
• half a word
• pulsed
• do honour to someone
• Endopterygota
• fuel-weight ratio
• tpke
• m-toluidine
• found object
• court plasters
• Northumbria
• damped wave
• CS
• cyclistic
• stratification plane
• conversancies
• wilinesses
• lithium-drifted germanium crystal
• chromous
• dethroned
• infamous
• back projection
• hrs.
• when all is said and done
• standing type
• bathochrome
• Ochromonadales
• Sulzberger, Arthur Hays
• deps
• dame d'honneur
• remoulade
• be hard done by
• make a point of something (或 doing something)
• up to trap
• Nufud
• libidinizing
• barracuda
• dioxygenases
• drop your eyes / gaze
• pop fashion
• block letters
• pralines
• daily range of temperature
• electronic church
• when the chips are down
• gastroscope
• power bars
• water smoke
• subsample
• autospores
• nutmeggy
• bulllike
• despicabilities
• gable-roofed
• -gram
• Mister Tom
• authentications
• steer a course
• private credit
• pisher
• direct ray
• wiltons
• inter in
• natural function generator
• resolution in range
• polydactylous
• plant on
• t.e.n
• odontoids
• Fourier-Bessel series
• espying
• boltzmanns
• Boh.
• be dependent on sb’s nod
• ependymoma
• golf links
• ytterbia
• hydrographic table
• multilateralize
• sing
• Galalith
• vessel member
• I.L.A.
• pick something out of a hat
• Water Front Development