drastic measures
When one person is so angry at another that they announce "drastic measures" will take place. Ensuring that the actually act of drastic measurement is vague as to leave the victim confused and bewildered.
Laura proclaimed "drastic measures" will take place after skillfully spotting a girls pink backpack in the background of Dave's picture.
drastic measure
An extreme act that anyone can perform, pertaining to any situation.
Any and all of us here are capable of taking a drastic measure.