He flashed the torch on for a second.

他把手电筒亮了一下。

youdao

Shine the torch on the lock while I try to get the key in.

我插钥匙时，请用手电筒照着锁头。

《牛津词典》

We shine our torch on the snowman.

我们用火把照着那个雪人。

youdao

Emmanuel Jerome, 23, from Newsome, thought he had switched on a torch on his iPhone during the night-time burglary.

FORBES: How Not To Use Your iPhone

The Isle of Man will host the Olympic torch on 2 June next year as it journeys across the British Isles in the run-up to the Games in London.

BBC: Isle of Man to host Olympic torch in June 2012

That's when I felt them turn on a blow torch and burning on my back.

CENTERFORSECURITYPOLICY: Center For Security Policy