His enthusiasm for study struck his teacher favourably.是什么意思？

His enthusiasm for study struck his teacher favourably.

他勤奋学习的热情给老师留下了良好的印象。

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；

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

enthusiasm

n. 热情，热忱，热衷的事物，宗教的狂热；

例句
I'm depressed by the bovine enthusiasm of the crowd's response.
人群毫无热情的迟钝反应使我感到很沮丧。

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。

study

n. 学习，研究，课题，书房，结论；vi. 考虑，沉思，默想，努力；vt. 想出，详细地检查，背诵（台词等），为…费心思；

例句
The first authoritative study of polio was published in 1840...
关于小儿麻痹症的第一篇权威性研究报告发表于1840年。

struck

v. 打（ strike的过去式和过去分词 ），击打，攻击，侵袭；

例句
He was struck by the artists' total absorption in their work.
他被艺术家对创作的全身心投入所打动。

teacher

n. 教师，教员，老师，先生，[航]教练机；

例句
He was now a teacher and a respectable member of the community.
他现在是一位教师，并且是社区内受人尊敬的一员。

favourably

adv. 赞成地，称赞地(favorably)，有利地，顺利地；

例句
Our road safety record compares favourably with that of other European countries...
我们的道路安全纪录比欧洲其他国家要好。