clench in a sentence

Examples

1. Instead of looking for things, they looked at people. Borrowing techniques from Israeli airports and the U.S. Customs Service, screeners observed a passenger as he entered the airport, checked luggage and stood in line at the security checkpoint. The screeners were looking for unusual behavior like sweating, rigid posture, clenched fists. A screener would engage a passenger in conversation and ask questions he wouldn't have been trained to expect, like whether he'd seen a Redskins game the night before even though the Redskins hadn't played.
   स्मरकोनिश ने मेरे तर्क के उत्तर में कहा कि उन्हें लगता है कि किसी समय उनकी पुस्तक समाप्त हो जायेगी, परंतु वह समय अभी नहीं आया है . उनकी दृष्टि में भौतिक दृष्टि से दिखना बहुत कुछ आशय से संबंध रखता है .
2. Adopting techniques used by the U.S. Customs Service and by Israeli airport security, SPOT is “the antidote to racial profiling,” TSA spokeswoman Ann Davis , said. It discerns, she said, “extremely high levels of stress, fear and deception” through “ behavioral pattern recognition .” SPOT agents observe passengers moving about the airport, with TSA agents looking for such physical symptoms as sweating, rigid posture, and clenched fists. A screener then engages “ selectees ” in conversation and asks unexpected questions , looking at body language for signs of unnatural responses. Most selectees are immediately released, but about one-fifth are interviewed by the police.
   यद्यपि 11 सितम्बर 2001 के आक्रमण के बाद इस दिशा में कुछ प्रगति हुई है और सभी यात्रियों की गतिविधियों पर गहरी नजर रखी जा रही है. उदाहरण के लिये अमेरिकी विमानों की सुरक्षा के लिये उत्तरदायी यातायात सुरक्षा प्रशासन ने पर्यवेक्षण नीति द्वारा यात्रियों की जाँच नाम से एक पद्धति विकसित की जो बारह विमान सेवाओं में कार्य कर रही है.