两国关系已经变得非常紧张。用英语怎么说？

两国关系已经变得非常紧张。

Relations between the two countries had become severely strained.

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。

countries

n. 国家( country的名词复数 )，国土，郊外，地区；

例句
The two countries signed an agreement to jointly launch satellites.
两国曾签订了联合发射人造卫星的协议。

had

v. 有（ have的过去式和过去分词 ），（亲属关系中）接受，拿，买到；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

become

vi. 变为，成为，变得，变成；vt. 适合，适宜，相称，相当，变成，发生；

例句
...abandoned buildings that become a breeding ground for crime.
沦为了犯罪温床的弃置楼群

severely

adv. 严格地，严重地，严厉地，严肃地；

例句
The accident left the boy severely brain-damaged and almost totally reliant on others.
那次事故使这个男孩脑部严重受损，生活几乎完全依赖别人。

strained

adj. 紧张的，不友善的，经过滤的，态度不自然的，勉强的；v. 拉紧( strain的过去式和过去分词)，尽量利用，尽全力，过滤；vt. 过滤，滤去，歪曲，扭伤，拉紧；vi. 受到强大的压力，不懈，拉紧，紧绷，犹豫；n. 口气，语调，过劳损伤，压力，紧张状态；

例句
Their five-year relationship was strained beyond breaking point...
他们五年的关系已经紧张到无法维系。