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Synonym Comparison

The Nuance Difference: "入ります" vs "役に立つ"

Master the exact conceptual boundary between these Japanese terms.

Japanese Term A

入ります

はいります (hairimasu)
N5 / CEFR Syllabus
VS
Japanese Term B

役に立つ

やくにたつ (yaku ni tatsu)
N4 / CEFR Syllabus

Nuance Contrast & Social Differences

In Japanese, both 入ります and 役に立つ are often translated to English but have distinct usages. 入ります (はいります (hairimasu)) represents "to enter, to go in" (Level: N5) and typically represents Polite form of 入る. On the other hand, 役に立つ (やくにたつ (yaku ni tatsu)) translates to "to be useful, to be helpful" (Level: N4) and is used for A set phrase meaning to be useful or helpful for someone or something. It describes the utility of an object, skill, or person. Often followed by the particle に. Mixing these up can sound unnatural to native Japanese speakers!
Bilingual Sentence for "入ります"
教室に入ります。
I enter the classroom.
Bilingual Sentence for "役に立つ"
この辞書は日本語の勉強に役に立ちます。
This dictionary is useful for studying Japanese.

Nuance Mastery Quiz

Which Japanese word perfectly fits this blank space?

Fill in the blank: "教室に ___ 。" (Meaning: "I enter the classroom.")
🎉 Correct Answer!

Remember: "入ります" fits here because it represents "to enter, to go in" in the context: "I enter the classroom.".

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