Meanings of finicky work in English

It must be dreadfully finicky work!

It was finicky work, but Miara was endlessly patient with it, even though she was restless about other things.

It makes made-to-order DNA strands, freeing scientists from the finicky work it takes to put together a complicated piece of DNA the old-fashioned way.

This involved bombarding samples with neutrons in a small nuclear reactor and carefully counting the gamma rays that were emitted; it was extremely finicky work.

Once she completes the finicky work of making the points precise by poking a crochet hook into each from the inside, I clear my throat.