it is incumbent upon / on sb to do sth

it is incumbent upon / on sb to do sth if it is incumbent upon you to do something, it is your duty or responsibility to do it做某事是某人的职务（责任）:•It is incumbent upon parents to control what their children watch on TV.控制孩子所看电视的内容是父母的责任。

• stardusts
• duteous
• frighten/scare sb out of his wits/
• overcoming
• fling back
• pebbling
• crypto-colonial
• go one's way
• Yugoslavia
• what can I do you for?
• Egeria
• up to the armpits
• Chordodidae
• exuberate into
• G1 phase
• Trinidad and Tobago
• Ponchielli, Amilcare
• acrotrophic
• the flower of life
• cytotropism
• defocused或cussed
• lick into shape
• Ceylonese
• Toure, Sékou
• conductor rail
• paradigmatics
• salsa
• piscators
• actinic glass
• Atlantic salmon
• did
• chilling injury
• reclined
• way to go!
• antepost
• free storage list
• soil conservation
• Lower Silesia
• have an insight into character
• pectinidaes
• precedents
• outdwellers
• current hour
• cystadenoma
• hypersensitised
• test rig
• interior mapping
• accommodate oneself to
• rate controlling
• rebelled
• free lance
• devocalise
• untimely
• root systems
• Brigit, Saint
• seined
• make a(或 one's)getaway
• forget oneself
• gynaecol.
• at a breath
• spokesmanships
• semiworks
• unknittable
• distyle in antis
• come to a bad end
• sunsetty
• supersite
• Wigner coefficient
• uttermosts
• hardhacks
• proper value
• quintics
• vitrines
• strike twelve
• rock jocks
• Rayleigh-Bernard convection
• blithe as a butterfly
• crystal spectrograph
• syntagmic
• nastic
• dourine
• ankled
• Agricultural Chemistries
• gametogeny
• Malcidae
• albuminuric
• stand in the breach
• justiciarships
• geanticlinal
• the future perfect
• Fraunhofer spectrum
• give it laldy
• dormouse
• UART
• ozonizer
• chaps
• lactam
• Your Reverence
• crural
• Afghanistan syndrome