know what you are talking about

know what you are talking about spokento know a lot about a particular subject对…很了解，是…的行家:•I worked in hotels for years, so I know what I'm talking about.我在酒店工作很多年了，所以对这一行很了解。

• bilingualisms
• narrow ... down
• thermal stress
• have an abhorrence of
• antidoted
• cam engine
• myelodysplasias
• Istanbul
• nucleinic
• front slagging
• mechanical birefringence
• car coats
• give someone the wall
• saccharates
• Atkins
• syndactyl
• Eaton,Theophilus
• make a die of it
• dextrinized
• catch hold of
• stackering
• railmen
• tomboy
• shoot full of holes
• polycythemia vera
• snow bunny
• keep someone waiting
• complaisantness
• small change
• clambering
• yank off
• the child is father to the man
• therapeutic
• Conoclypidae
• Liddel Hart, Sir Bail Henry
• spasmodic turbidity current
• the high jump
• haussmannisation
• by the looks s of it
• face-centered cubic structure
• bubble
• glucanases
• seicento
• wear thin
• the scales fall from someone's eyes
• amygdaliform
• dundasite
• magnetostrictive delay line
• panettone
• correspondence university
• lipogram
• desmotropism
• gobbed
• heneicosane
• graithly
• jazz sth↔up
• diagnostically
• Delaroche, (Hippolyte ) Paul
• xylographically
• .cdt
• a pig in a poke
• sciophyte
• punsters
• close an account
• accompaniments
• hiccupy
• ruby copper ore
• craziness
• atrophying
• office buildings
• biceps femoris
• hyena dog
• input-output table
• a posteriori
• mensurableness
• bonteboks
• confessionalism
• Rhizodontidae
• alveolar arches
• break ... in
• protocerebrum
• meromictic
• be booming as
• adrenocortical
• the Evil One
• scrupulously
• echo area
• Gomorrean
• fuck someone around（或about）
• well-knowns
• the age of anxiety
• obsecrations
• countryfolk
• Initial Teaching Alphabet
• frog hairs
• virescences
• Zed
• hemitrope
• radioactive source
• deaminized