tighten up (on sth)

ˌtighten ˈup (on sth)to become stricter or more careful变得更加严格（或小心）Laws on gambling have tightened up recently.有关赌博的法律最近变得更加严厉。The police are tightening up on under-age drinking.警方正在采取更加严厉的措施对付未成年人饮酒的问题。

• turn sb/sth around/round
• transconductances
• work camp
• pump well
• public accountant
• pupillarities
• underutilize
• slope correction
• out of use
• conkout
• looper
• WR
• seek gapeseed
• Azandes
• upfields
• merc
• nsf.
• Turcocentricity
• weather sides
• anaglyphoscope
• tollhouse cookie
• post cards
• Plexiglass
• Wahabis
• gent.
• splayfoot
• draggier
• goal-directed reasoning
• stinktrap
• keep straight on
• stamp copper
• anecdotage
• proptoses
• duplication of the cube
• baby sling
• befringing
• unisexual
• stern fast
• polyidrosis
• interatrial septal defect
• self-appreciation
• Hsia
• sociologistically
• spanking
• CNF
• Tamilians
• Kraepelin, Emil
• orthophosphorous acid
• L network
• jet-blacks
• consuetudinary
• draw poker
• burglarized
• have one's bread buttered for life
• pig-catcher
• pass someone's comprehension
• high anticyclone
• caymans
• Elwyn
• nuclear engine
• cell-free extract
• roguishness
• East Azerbaijan
• Websterian
• haftas
• o.g
• live to fight another day
• downsize
• serological
• say a good word for
• intruder
• lambda chains
• Biafra
• autolithograph
• all risks
• Moctezuma
• summer sausage
• gliding motility
• grid unit
• spaghetti Bolognese
• yield up one's breath
• resmethrin
• compensatory
• teil
• tour de force
• fit sth / sb ↔ in
• guest element
• close-up picture
• highlines
• gildable
• ruana
• baburs
• licentiates
• swing around the circle
• DMSO
• tears
• stagecoaches
• pound up
• give an audience to
• counteractors