我擅长于英语，物理和数学。

I am good at English, Physics and Maths.

youdao

擅长于英语口语和阅读。

Specially, good at spoken English and reading.

youdao

或许她擅长于英语。

Maybe she is good at English.

youdao

桑迪擅长于英语。

Sandy does well in English.

youdao

他不擅长于英语。

He doesn't do well in English.

youdao

他擅长于英语。

He is English .

youdao

问到她更愿意让她的儿子擅长于英语还是印尼话时，乔万卡女士说：“老实说，英语。”

Asked whether she would rather have her son become fluent in English or Indonesian, Ms. Jovanka said, "To be honest, English."

youdao

我喜欢英语，我很擅长于读书。

I like English and I am good at reading.

youdao

我们特别地擅长于对于英语教学书籍、学校用书、学术书籍和专业用书的领域，以及销售版权（主要是再版和修订版），同时推广进口的纸质和数字书籍。

We specialize in ELT, Schools, Academic and Professional publishing lists and sell rights (mainly reprint and adaptation) as well as promoting imported print and e-book products.

youdao

我们特别地擅长于对于英语教学书籍、学校用书、学术书籍和专业用书的领域，以及销售版权（主要是再版和修订版），同时推广进口的纸质和数字书籍。

We specialize in ELT, Schools, Academic and Professional publishing lists and sell rights (mainly reprint and adaptation) as well as promoting imported print and e-book products.

youdao