He gave the struggle his attention, as an idler might observe the feat of a juggler, without interest in the outcome is example of simile.
Simile is a saying that utilizes the words, like or 'as' while contrasting one thing with another.
This makes the sentence more serious or clear. For instance, she was fearless as a lion.
So for this inquiry, the response is He focused on the battle, as an idler could notice the accomplishment of a performer, without interest in the result. Since it involves the word 'as' and was contrasted with an idler.
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