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N2
てっそく (tessoku)
鉄則

iron rule, inviolable rule

💡 Nuance & Usage: Refers to a strict, unchangeable rule or principle that must always be followed.

📝 Example Sentences

安全第一は、建設現場の鉄則だ。
Safety first is an iron rule on construction sites.

Practice Quiz

Test your understanding of "鉄則"!

どんな時でも時間を守るのが、このチームの_______だ。
🎉 正解 / Correct!
日本語: 「鉄則」は絶対的な規則や守るべき原則を指します。
English: 'Tessoku' (鉄則) refers to an absolute rule or principle that must be followed.
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