SuGoiSuす語彙すGrammar › N3 · 12 Emphasis, limits & comparison
〜に限る: nothing beats; the best is
N3 · 12 Emphasis, limits & comparison
Says that something is the best choice.
Noun or verb dictionary form + に限る. Subjective opinion about what is best, said with enthusiasm in casual talk. 夏はビールに限る. Not the same as 〜に限って (just this time / this person).
Examples
暑い日は、冷たいビールに限る。
On a hot day, nothing beats a cold beer.
疲れたときは、ゆっくり寝るに限ります。
When you are tired, nothing is better than a good sleep.