臂 (bei) — arm (bound form, used in compounds)

Definizione

臂 (bei) is a bound form meaning 'arm,' used only inside compounds like 手臂 (arm) or 臂力 (arm strength) — it never stands alone.

bound form

arm (bound form, used in compounds)

。
Tā de shǒu bei hěn cháng.
His arms are very long.
臂，。
Tā yòng lì yì huī shǒu bei, rēng chū le qiú.
He swung his arm and threw the ball.
。
Tā de bei lì hěn qiáng.
His arm strength is very strong.

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