Never forget our duty to our motherland.

牢记我们对祖国应尽的义务。

《新英汉大辞典》

I am ready to render service to our motherland.

我准备为我们的祖国提供服务。

youdao

What a pity that we can only devote ourselves to our motherland!

多么遗憾，我们只能为祖国献身一次！

youdao

And then they disappeared to the vast peripheries of our motherland.

NPR: 'Voices of Chernobyl': Survivors' Stories

We call on everyone to unite around the interests of our people and our motherland.

BBC: As it happened: Russia votes in presidential election

Special thanks, of course, to those of you who today gathered here in Moscow and to everyone who supports us in every corner of our vast, immense motherland.

BBC: As it happened: Russia votes in presidential election