Sentence improvement — Remove double negative and fix quantifier: refine ‘‘The old man felled some trees in the garden with hardly no effort at all.’’ to standard affirmative English.

Given data
The old man felled some trees in the garden with hardly no effort at all.

Concept/Approach
Standard English avoids double negatives unless intended rhetorically. ‘‘Hardly any’’ is the correct quantifier with ‘‘hardly’’.

Option analysis
hard effort — Reverses meaning.hardly any effort — Corrects the double negative and preserves sense.a hardly any effort — Articles do not precede ‘‘hardly any’’ in this structure.No improvement — Keeps the error.

Verification/Alternative
Recast: ‘‘... with almost no effort at all.’’

Final Answer
hardly any effort