walk in on

walk in on enter suddenly or unexpectedly 突然（或冷不防）入内。 ■ intrude on 侵扰, 打扰： he was clearly not expecting her to walk in on him just then. 显然他没有想到就在那个时候她会来打扰他。

• duck with
• spark-ignition combustion cycle
• leaf lettuce
• haematosis
• beat-beat
• take pot luck
• third gears
• stop payments
• denasalising
• gabble off
• totalistic
• baby walkers
• goose eggs
• bradyseismical
• heterochromatism
• longwall coal cutter
• jaegers
• Cichlidae
• creatines
• ham-fistedness
• dibromide
• depopulations
• uredinium
• monozygotic
• de bonne grace (或volonte)
• Duvalieresque
• snuff out
• chicken-hearted
• make a one's pile
• fold system
• nonstrikers
• not bother yourself / not bother your head
• simazines
• open one's mind to
• formicas
• Bignoniaceae
• new venture group
• sugarcoat
• shunt peaking
• day watches
• ivy geranium
• chickarees
• grand march
• stick something up one's arse
• Ascension Island
• agony of joy
• diagenetic
• spurrite
• UCLA
• one-track
• atrioventricular heart block
• jam-up
• correctings
• stockouts
• chimney cloud
• alimentally
• Slavo-
• go gold
• sweet williams
• progger
• play(或 tip) someone the traveler
• southernwoods
• grattoirs
• plaguesomeness
• the worm of conscience
• brescias
• land on the street level
• Gaian
• Van Allen, James Alfred
• pallier
• tremendousness
• made man
• cordon bleu
• dehalogenations
• grinding aids
• sand myrtles
• hyperplane
• shout sb down
• PUVA
• holy day of obligations
• home range
• negative nodal points
• have a handle on
• off-seasons
• company grade
• egberts
• flesh tights
• emulous
• expands
• adhibit
• single-seater
• vagotonine
• travel allowances
• hop in（或out）
• a feeling for sth
• chindwins
• incontrollable
• noble science
• epitheted
• find favour with somone