It took 50 rescuers two hours to free a runner who got stuck in quicksand.

[석수]

quicksand

noun [ U ]

류사流砂 / Quicksand

늪이나 수렁처럼 하천 등에서 유수의 작용으로 물 속에 부유하면서 운반되는 모래.

https://youtu.be/7CIOWh1JNTs?si=zWMeBYD6ofrOvx-J

(also quicksands [ plural ])

deep wet sand that sucks in anyone trying to walk across it, or an area of sand like this:

It took 50 rescuers two hours to free a runner who got stuck in quicksand.

Surveys had failed to reveal stretches of quicksand and deep clay.

The bay has some of the world's most dangerous quicksands .

a situation, especially one that is unpleasant to deal with, that is very difficult for someone to get out of:

The country had managed to extract itself from the quicksand at last.

I seemed to be floundering deeper and deeper into the most lethal of social quicksands .

Are there not lions and tigers and poisonous snakes and quicksand and other hazards?

Building a recovery on leverage is like building your new home on quicksand.

The cockles are in an area between two channels, one of them notorious for quicksands.

They were never going to make any progress while running in quicksand.

I cashed my check without guilt, but was mired in the quicksand of middle age and unfulfilled potential.