Please return to your seats and fasten your safety belts.

请回到你们的座位上并系好安全带

He clipped his safety belt to a fitting on the deck.

他把安全带扣在甲板的一个固定拴上。

The safety belt is easy to fit as there's no need to bolt it to seat belt anchorage points.

这种安全带很容易安装，因为不需要把它拴在安全带固定点上。

Please unfasten your safety belt now.

现在请解开安全带。

Please fasten your safety belt.

请系好你的安全带。

Wear and secure your safety belt.

带上并系好安全带。