两国关系由于边境冲突而恶化.用英语怎么说？

两国关系由于边境冲突而恶化.

Relations between the two governments were soured by boundary fighting.

relations

n. 彼此间的看法，两者的关系，关系( relation的名词复数 )，亲戚（关系），亲属（关系），（事物之间的）关系；

例句
Their actions threatened a serious breach in relations between the two countries.
他们的行动使两国关系面临严重恶化的危险。

between

prep. 在…之间，私下，暗中，在…中任择其一，来往于…之间；adv. 当中，中间；

例句
How big is the abyss between what you think you are and what you actually are?
你对自己的认识和真实的你之间差别到底有多大？

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

two

n. 两个，两个东西，两点钟，一对；adj. 两个的，我

例句
He has been absent from his desk for two weeks...
他已经有两个星期没有坐在办公桌前了。

governments

n. 政府( government的名词复数 )，治理的形式，政体；

例句
There have been intensive discussions between the two governments in recent days...
近几天，双方政府一直在进行紧张的磋商。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

soured

v. （使某物）变酸，变馊， （使某人）阴郁( sour的过去式和过去分词 )，关系、态度、人等（使）变坏，恶化；

例句
Her mood soured a little.
她的心情有点差。

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

boundary

n. 分界线，范围，（球场）边线；

例句
...the Bow Brook which forms the western boundary of the wood...
构成了这片树林西部边界的鲍溪

fighting

adj. 战斗的，好战的，作战用的，适于打斗的；n. 战斗，斗志，宣战言论，微小但值得一搏的机会；v. 战斗( fight的现在分词 )，斗争，打架，吵架；

例句
Is it worth fighting a big war, in the name of an abstraction like sovereignty?
在主权之类抽象概念的名义下打一场大战是否值得呢？