ciernie in English:

A rose has thorns on its stem.

Rose has got thorns.

Watch out, roses have a thorns.

Be careful - that plant has sharp thorns.

Time withers the roses, but wears down the thorns.

Life has its sorrows, as every rose has its thorns.

Beautiful flowers have thorns.

Many Americans insist that immigrants speak English, but wouldn't a true language purist insist on Old English, wynns, thorns, edhs and all?