bor·der1 /ˈbɔːdə $ ˈbɔːrdər/ ●●● S3 W2 noun [countableC] → boarder 1 SGthe official line that separates two countries, states, or areas, or the area close to this line 国界，边界；边境地区 To cross the border, you will need a valid passport.
border between the border between the US and Mexico
border with regular patrols along the border with France
on the border a market town on the border of England and Wales
across the border He helped them to get across the border.
south/north etc of the border The coach took us south of the border to Tijuana.
3 DLGan area of soil where you plant flowers or bushes, along the edge of an area of grass 〔草坪边缘的〕狭长花坛，灌木带 a flower and shrub border
4 something that separates one situation, state etc from another 〔区分两种情形、状态等的〕界线 new scientific discoveries that are stretching the borders of knowledge
COLLOCATIONS verbs cross the border 穿越边境 The army crossed the border and advanced on Warsaw.
flee/escape across the border 逃过边境 Over 100,000 civilians fled across the border.
form the border 形成边界 The river forms the border between the two countries.
close the border (=prevent people from crossing) 关闭边境
nThe government moved quickly to close the border.
open the border (=start allowing people to cross) 开放边境
nAfter fifty years the border was finally opened.
nstraddle the border (=cover land on both sides of it)adjectives
This small village straddles the border between the West Bank and Jerusalem.
the Welsh/Mexican etc border 威尔士/墨西哥等边境 I had reached the Swiss border.
the southern/eastern etc border 南部/东部等边境 They renewed their attacks on Ethiopia’s northern border.
nthe Austro-Hungarian/Hong Kong–China etc border
The village is on the Oxfordshire-Warwickshire border.
a common border (=that countries share) 共同边境，交界border + NOUN
nIndia and Pakistan each withdrew troops from their common border.
a border dispute (=a disagreement about where the border should be) 边境纠纷 a long-running border dispute between Iraq and Iran
a border town 边境城镇
nthe Chinese border town of Shenzhen
a border area/region 边境地区
nThe Afghan border area is open and wild.
a border crossing (=a place where you cross a border) 过境处
nThere are problems of delays at border crossings.
a border guard 边境卫兵
nthe North Korean border guards
border controls (=controls on who crosses a border) 边境管制phrases
nHungary tightened its border controls.
this/the other side of the border 边境的这边/那边 Her friend lives on the other side of the border.
THESAURUS border the official line that separates two countries, or the area close to this line 国界，边界；边境地区 国界，边界；边境地区 The town lies on the border between Chile and Argentina.
Strasbourg is very close to the German border.
frontier especially British EnglishBrE the border 国界，边境 They crossed the Libyan frontier into Egypt.
line the official line that separates states and counties in the US 〔美国各州、县的〕边界 His family lived across the state line in West Virginia.
boundary the line that marks the edge of an area of land that someone owns, or one of the parts of a country 〔某人领地的〕分界线；边界 The fence marks the boundary between the two properties.
The Mississippi River forms the boundary between Tennessee and Arkansas.
nA road runs along the western boundary of the site.
border with• Chile's border with Peru