on sight

Idioms  

1. Also, at sight. Immediately upon seeing, as in The soldiers threatened to shoot looters on sight, or He's able to multiply those three-digit figures at sight. [Second half of 1400s]

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Example Sentences

“It would be particularly cruel to grant somebody a pardon and have them released from prison — only to have them immediately shipped back to a place like Honduras where they would’ve immediately arrested him or he would’ve been killed on sight by criminal elements that wanted to do him harm,” Stabile told ProPublica.

From Salon

“They won’t attack on sight,” said Irian.

From Literature

The school may use the dashboard to identify rule-breakers in the future, but for now, teachers and staff are simply confiscating phones on sight, he said.

From Los Angeles Times

"Operators do a lot of caramel testing, just on sight and on feel. So basically, they walk up to the caramel and just give it a squeeze."

From BBC

He also had a mammoth 327 touches in the opposition box and appeared to adopt a 'shoot on sight' policy with 139 efforts on goal - effectively one every 20 minutes.

From BBC