Even so, experts say nuclear security needs to be tightened further.

The law further tightened the country's 10-month-old state of emergency.

For an instant, the arm tightened around me still further; and then he let go.

It gradually tightened further, and was just 6.21 percent on Friday.

To control inflation, the Fed might have to tighten further.

Honor's hands tightened further under the table, but she sat motionless.

His free arm tightened further, pulling Isabel hard against him.

These numbers increase the chance that the Fed may have to tighten further.

Her jaw seemed to tighten further, and she almost hissed the next words.

Tightening around the invasion as her body tightened further in the need for release.