Judging from the quantity recovered, she must have taken not less than three-quarters of a grain of strychnine, but probably one grain or slightly over. 
She must have taken just a bit of strychnine.
She must have taken just a bit of tylenol..
A group of people admire a car.
The Postal Service strictly enforced the size rules for things that were mailed.
He drew a picture of the weapon with crayons.
The graduates already graduated.
girl holds racket
The rooms are designed to be silent.