ice up

1. 结冰
   The wings of the aircraft had iced up.

   机翼结冰了。

break the ice

1. 打破沉默，打开话题
   The best way to break the ice is to offer her a drink.

   打开话题的最好方式即问她要不要饮料。

   She broke the ice by offering me a drink.

   她给了我一杯饮料，使气氛活跃起来。

cut no ice

1. 不起作用
   His talk cut no ice with me.

   他的谈话对我不起作用。

keep on ice

1. （为留待后用）保存着
   Some football teams keep their best players on ice ready for the more important games.

   有些足球队会保留优秀队员，留待有更重要的比赛时再派上场。

on thin ice

1. 处于危险境地
   He is walking on thin ice.

   他正处于危险之中。

• break the ice
  relieve tension or get conversation going at the start of a party or between strangers.
• on ice
  
  1. (of wine or food) kept chilled using ice.
  2. suspended; on hold.
• on thin ice
  in a precarious or risky situation.