And make loose the knot (the defect) from my tongue, (i.e. remove

﴿وَٱحۡلُلۡ عُقۡدَةٗ مِّن لِّسَانِي ﴾
[طه: 27]

And make loose the knot (the defect) from my tongue, (i.e. remove the incorrectness from my speech) [That occurred as a result of a brand of fire which Musa (Moses) put in his mouth when he was an infant]. [Tafsir At-Tabari, Vol. 16, Page]

﴿واحلل عقدة من لساني﴾ [طه: 27]

Al Bilal Muhammad Et Al
“And remove the impediment from my speech

Ali Bakhtiari Nejad
and open the knot from my tongue (and allow me to speak clearly)

Ali Quli Qarai
Remove the hitch from my tongue

Ali Unal
Loose a knot from my tongue (to make my speaking more fluent)

Hamid S Aziz
And loosen the knot from my tongue

John Medows Rodwell
And loose the knot of my tongue

Literal
And untie/undo (the) difficulty/knot from my tongue/speech

Mir Anees Original
and loose the knot from my tongue

Mir Aneesuddin
and loose the knot from my tongue