Translation of "Imitating" in Japanese

Are you imitating me?

私のまねしてるの？

She is very good at imitating her teacher.

彼女は先生の真似がうまい。

He is good at imitating her Irish accent.

彼は彼女のアイルランドなまりを真似るのが上手い。

During the Heian period's initial stages, the imperial court completely devoted itself to imitating Chinese culture, however during the midst of the period, a culture based off of Japanese sense of beauty began to bloom.

宮廷では、平安初期には中国文化の模倣一辺倒でしたが、平安中期には日本的な美意識に基づいた文化が花開きました。