I read a thread in which I read the following sentence.
I don't understand what 'grate on ear' mean.
The use of wrong here is certainly not correct in standard English and certainly grates on ear.
"grates on the ear" would be the accepted phrase - but the person writing this may have been in a hurry or not in the habit of checking their typing before posting.
To grate on the ear means to sound unpleasant.
Peter1,2,3, you should read the next English proverb and then ponder about it's content meanwhile.
"He who laughs at crooked men should need walk very straight."
grate = to sound harshly; jar: "to grate on the ear".
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