まるで-よう{に/な/だ}
文法の解説は英語です。
用法
This structure is sued to introduce a simile, I.e. to describe a thing, person, action, etc. By comparing it with a similar thing, person, action, etc まるで is an emphatic marker.
例文
冬の間、カエルは、まるで死んだように動きません。
In winter time the frogs look like they are dead because they don't move.
まだ春なのに、今日はまるで夏のように暑い。
It's not spring yet, but today it's hot like in the summer.