他们的有些批评十分尖锐.用英语怎么说？

他们的有些批评十分尖锐.

Some of their comments were quite trenchant.

some

det. 一些，某个，部分，相当多的；pron. 一些，若干，（数量不确切时用）有些人；adv. 大约，有点，稍微；

例句
It's not a question of some abstract concept.
这不是某个抽象概念的问题。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

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

their

pron. 他（她，它）们的，在提及性别不详的人时，用以代替 him 或 her；

例句
Their permissiveness toward their children reflects the wild abandon of their own lives.
他们对孩子的放任折射出他们自身生活的放浪形骸。

comments

n. 批评，意见，评论，评论( comment的名词复数 )，注释，谈话，说明；

例句
On the basis that recognising the problem is halfway to a solution, Mulcahy's comments yesterday should be well received.
鉴于认识到问题的存在就相当于把它解决了一半，马尔卡希昨天的那番话应该会受到欢迎。

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。

quite

adv. 相当，很，非常，确实如此；

例句
For a novelist, that's quite an accomplishment...
对于一位小说家来说，那是相当了不起的成就。

trenchant

adj. 锐利的，简明的，有力的，清晰的；

例句
He was shattered and bewildered by this trenchant criticism...
他因这番尖锐的批评而万念俱灰，茫然不知所措。