They were thankful for the excellent goalkeeping of John Lukic.是什么意思？

They were thankful for the excellent goalkeeping of John Lukic.

守门员约翰·卢基奇的精彩表现让他们感到庆幸。

they

pron. 他/她/它们，人们，大家，政府，当局，她们；

例句
The storms had abated by the time they rounded Cape Horn.
他们绕过合恩角时，暴风雨已经减弱。

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。

thankful

adj. 感谢的，感激的，欣慰的；

例句
Their citizens are very thankful they are not governed by a dictator.
他们的公民十分庆幸没有受独裁者的统治。

for

prep. 为，为了，倾向于，关于，当作；conj. 因为，由于；

例句
I've come looking for a bit of advice.
我特来讨教。

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。

excellent

adj. 卓越的，杰出的，优秀的，太好了；

例句
Angela Bassett has won critical acclaim for her excellent performance...
安吉拉·贝塞特凭借其出色的表演赢得了评论界的好评。

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。

John

n. 茅房，厕所；

例句
He was appointed Apostolic Administrator of Minsk by Pope John Paul II.
他被教皇约翰·保罗二世任命为明斯克区的宗座署理。