Bringing Up To Scratch, Perhaps That’S Annoying

[RSDonovan]

Bringing up to scratch, perhaps that’s annoying

Answer must be “Irritating”, but why?

Thanks

[dannyk13]

https://www.dictionary.com/browse/irritating
Def.3 which you may want to scratch.

[elliemay1]

If something caused irritation you would scratch it?

[Toorak]

Irritating is both annoying and causing an itch for example (something to scratch)

[elliemay1]

irritating
ˈɪrɪteɪtɪŋ/Submit
adjective
1.
causing annoyance, impatience, or mild anger.
"an irritating child"
synonyms: annoying, infuriating, exasperating, maddening, trying, tiresome, vexing, vexatious, irksome, galling, troublesome, bothersome, provoking, displeasing; More
2.
causing irritation to a body part.
"the substance may be irritating to eyes and skin"

[RSDonovan]

Thanks all!