Welcome Winter

Here are some winter themed idioms that will help your English sparkle like freshly fallen snow.
snowball’s chance in hell – to be very unlikely to succeed at something (The small boat had a snowball’s chance in hell of surviving the storm.) 

dead of winter – the coldest, darkest part of winter ( It feels like the dead of winter out there.)

to be on thin ice – to be in a risky situation (If you keep asking him about his ex-girlfriend, you’ll be on thin ice.)

pure as the driven snow -  to be innocent and chaste (frequently used ironically) (I never thought Madonna was pure as the driven snow, but the book she wrote is crazy!)

to break the ice – to create a more friendly and relaxed atmosphere (Charmaine was great at breaking the ice, she always knows what to say to people.)

the snowball effect – when something small keeps growing in importance or significance (Gangnam Style’s popularity was such a snowball effect.)