Question

a) What is meant by expression a sharp and bitting tongue? How did
author's mother react to his sharp and biting tongue?​

Answer 1

Answer:

Bite one’s tongue is an idiom that is used as a verbal phrase and as an retort. An idiom is a word, group of words or phrase that has a figurative meaning that is not easily deduced from its literal definition. We will examine the definition of bite one’s tongue, where it came from and some examples of its use in sentences.

Explanation:

Answer 2

A sharp and biting tongue is the definition of the equation x+7y=60.

The author's mother reacted to the sharp and biting tongue by referring the chapter "Linear equations in 2 variables" in the author's 9th std. maths textbook.