I was proficient at my job.

我对工作很精通。

He is unusually adept in mathematical calculations.

他非常精通数学计算。

He became skilled in several tribal lingoes.

他精通几种部族的语言。

We must work hard to acquire a good knowledge of English.

我们必学习才能精通英语。

She acquired a knowledge of the English by careful study.

她认真学习而精通英语。

He shows complete mastery of his chosen subject.

他精通自己选择的那门科目。

I admired the general who was a master of strategy.

我敬佩那位精通兵法的将军。

Mr. Taylor is thoroughly conversant with modern music.

泰勒先生对现代很精通。

He has mastered every detail of the business.

他已精通生的每一个细节。

To gain a complete mastery of English, one must study very hard.

要想精通英语就必刻苦努力。

He is well versed in history.

他精通历史。

I have some acquaintance with English, but I do not know it well.

我稍懂些英语, 但并不精通。

He is learned in the law.

他精通法律。

Weapon-wise, the monk will be proficient with kama, quarterstaff and shuriken.

武器精通，武僧将擅长单镰，棍，和十字剑。

Because of her expertise, she is regarded as the uncrowned queen of music in Pakistan.

她精通，看作是巴基斯坦的无冕之王。

She is proficient at swimming.

她精通游泳。

Only practice can achieve mastery.

只有实践才能达到精通。

Howells was, despite his faintly old-maidish quality, the most professional of writers, and the most generously sympathetic of critics.

所有这些，使豪威尔斯成为最精通本行的作家和宽厚的批评家，只是有点婆婆妈妈。

Our technicist and highly skilled workers can installation and debugging the crane to the best functional mode to ensure trouble-free working time.

精通安装业务的技师和高级技工能够把起重机安装、调试到最佳工作状态，保证无故障工作时间。

Conversance with mechanism drawing and designing tool and fixture, to be familiar with manufacture process, good communication skill, fluent English with writing and reading.

精通机械制图及工装夹具设计制作，对制程的改善有独特的见解及经验；有相当的沟通、协调能力，英语读写流利。