keep a clear/cool head

keep your ˈhead|keep a clear/cool ˈheadto remain calm in a difficult situation（在困境中）保持冷静

• delivery room
• will believe it (或 that) when one sees it
• ecclesiastical colours
• clamp bar
• for shortness’ sake
• cut-glass
• comparabilities
• fix up someone with
• self-applauding
• aacp
• be an honour to sb / sth
• axillas
• achiasmatic
• kaleyard school
• brass monkeys
• skin ... alive
• exocoelar
• laughingstocks
• aluminium hydroxides
• needler
• snakefly
• Hittorf, Johann Wilhelm
• transcendental
• orcelite
• get back to sth
• big tops
• physically
• shamateurisms
• (there is) no time like the present
• card dialer
• gamy
• regressivity
• locust borers
• dockized
• nevilles
• tear something to bits
• barium meal
• photodegradable
• foregoers
• synthetism
• keeperships
• design competition
• gibbosely
• greaving
• minuter
• historicity
• shirtwaisted
• unwind
• as like as an apple to an oyster
• rip up the back
• (feel) honour-bound to do sth
• asystolic
• volatile-oil reservoir
• primary structure
• abscission zone
• mons veneriss
• amelification
• LRSI
• alien priory
• epineuria
• gad about/around
• blossomiest
• eye / ear etc drops
• hot wind
• Maintenon, Marquise de
• pandiculations
• pressure surface
• total reflection
• cytochrome
• drop-off
• naillike
• landdrost
• descent guidance
• twicet
• monophasically
• electric lamps
• statisms
• restuff
• anarthria
• re-search
• backdropped或-dropt
• Doppler range
• spiraster
• museful
• leprologist
• cook straits
• wergeld
• dry spells
• allodially
• hemathermal
• dyslalia
• Tartan Turf
• h.d
• hop off
• lay store by(或 on)
• daylight lamp
• kebbock
• one's pride and joy
• acetin
• deny oneself