Straining the sense refers to a situation where an individual tries to comprehend or understand something that is difficult to grasp or complicated. The term can also mean overburdening or exhausting one's cognitive abilities, often leading to confusion or mental fatigue. Synonyms for this expression include perplex, puzzle, confusion, baffle, and confound. Other terms that convey the same notion are perplexity, complication, complexity, intricacy, and convolution. In essence, all of these terms signify a state of confusion or bewilderment and imply that the issue at hand is challenging to comprehend or resolve. So, if you find yourself straining your sense, remember that you're not alone- it's a feeling that many people encounter when faced with complex problems.