Last Updated：2025/11/28

(idiomatic, simile) Having a hard, strong, and determined mindset. / (simile) Very hard; tough

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tough as nails

Source Word

tough as nails

Adjective

idiomatic not-comparable

(idiomatic, simile) Having a hard, strong, and determined mindset. / (simile) Very hard; tough

Japanese Meaning

非常に頑丈かつ、精神的にも肉体的にも強靭で、困難に屈しないさま。 / 非常に硬く、耐え抜く強さを持っていること。

My grandmother is tough as nails, fixing her own roof after the storm.

祖母は非常に頑丈で意志が強く、嵐の後に自分で屋根を修理しました。

Sense（1）

(idiomatic, simile) Having a hard, strong, and determined mindset.

Sense（2）

(simile) Very hard; tough