There would be many ways of saying this correctly.
I suggest -

Maolaíonn cleachtadh na mothúcháin.

Wait for more input (three to agree), and probably spelling correction.

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It is recommended that you always wait for three to agree on a translation.
I speak Connemara Irish, and my input will often reflect that.
I will do an mp3 file on request for short translations.
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No spelling correction needed, it's right

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Is fearr Gaeilg na Gaeltaċta ná Gaeilg ar biṫ eile
Agus is í Gaeilg Ġaoṫ Doḃair is binne

Isn’t that a bit ambiguous? I first read it as ‘practicing feelings dulls …’, expecting something more in the phrase. Adding an article would avoid this: maolaíonn an cleachtadh na mothucháin.

And could you use na céadfaí instead of na mothúcháin? The latter sounds too much like only emotional feelings, rather than the senses in a more general way …

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Not a native speaker.

Always wait for at least three people to agree on a translation, especially if it’s for something permanent.

My translations are usually GU (Ulster Irish), unless CO (Standard Orthography) is requested.