Kollokation
The sure sign came during his first week as their teacher.
She is standing up, a sure sign of great concern.
The member had stopped thinking, but that wasn't a sure sign of death.
This is a sure sign that they need more practice.
The other eye then followed, a sure sign of concern.
If the work stopped, wasn't that a sure sign he was dead?
Everything around him seemed to be turning dark, and that was a sure sign too.
It was the first time I had seen this happen, a sure sign of where his heart lay.
A white bat is almost a sure sign of death.
A sure sign that something wasn't going as they'd planned.
