To be on ice 搁置
According to the Guinness Book of Records, the lowest temperature recorded in a place where there is a permanent population is the Siberian village of Oymyakon in Russia, where the temperature reached -68°C in 1933 (the coldest ever recorded outside Antarctica).
To be on ice 的意思是暂缓、搁置某个决定或计划。换句话说就是暂时先不考虑某件事了。
I've had to put my trip to the Caribbean on ice as I need the money to get my car repaired.
All development projects are on ice until we receive more funding.
另一个非常相似的短语 to be on thin ice 的意思是如履薄冰，处境困难。
John opened a luxury goods shop in 2008. He was on thin ice when the recession started.