She used a stool to boost him up.

Meaning: The mother utilized a three or four-legged seat to elevate the boy's position.

Choice of Words: She refers to the mother. Used means to employ or apply something for a particular purpose. Stool is a simple seat without a back or arms, typically having three or four legs. Boost means to lift or raise something. Up is a preposition indicating a higher position.

Alternative Expressions

Related Expressions

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• He used a cane to help him.
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