Translation guide
A lifebuoy is a floating ring or device thrown to a person in water to prevent drowning. In Japanese, the most common term is 救命浮環, but in everyday speech, people often describe it as a 浮き輪 used for rescue.
A ring-shaped flotation device used for water rescue, typically found on boats, docks, or near water.
The word 浮き輪 (うきわ) usually means a swim ring for play. If you say 浮き輪 in an emergency, people might not immediately think of a rescue device. Use 救命浮環 for clarity.
He grabbed the lifebuoy and waited for help.
Standard term for a lifebuoy, used in official contexts, signage, and maritime safety.
Throw the lifebuoy.
Lifebuoys are equipped on the ship.
In casual contexts, 浮き輪 (swim ring) can be used for a lifebuoy, especially when clarifying it's for rescue. Without context, 浮き輪 usually means a toy pool ring.
浮き輪 alone often means a recreational swim ring. Use 救命浮環 for clarity in serious situations.
That ring is a lifebuoy.
Alternative term using ブイ (buoy). Less common than 救命浮環 but understood.
Lifebuoys are installed on the pier.
Shortened form of 救命浮環, used in technical or maritime contexts.
Inspect the lifebuoys.
川岸に救命浮環が設置されている。
Lifebuoys are located along the riverbank.