他们的表演都很精彩，不相上下。

Tāmen de biǎoyǎn dōu hěn jīngcǎi, bùxiāngshàngxià.

Their performances are both excellent, with no significant difference.

他们的能力不相上下，都很出色。

Tāmen de nénglì bùxiāngshàngxià, dōu hěn chūsè.

Their abilities are comparable, and both are outstanding.

这两位演员的演技不相上下。

Zhè liǎng wèi yǎnyuán de yǎnjì bùxiāngshàngxià.

The acting skills of these two actors are equally excellent.