happy as a clam

Adjective

(simile) Very happy and carefree.

Japanese Meaning

とても幸せで、心配事がなく気楽な状態 / 非常に幸福で、満ち足りた様子

After finishing her final exam, Maria felt happy as a clam.

期末試験を終えた後、マリアはとても幸せで気楽な気分だった。

Sense（1）

(simile) Very happy and carefree.

Marlene … ran off into the parade ground happy as a clam.

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