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》

Shine the torch on so that we can read the labels.

用手电筒照这个标签，我们好看得见。

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

And he has banned Chinese security guards from accompanying the Olympic torch on its scheduled run through Canberra on April 24th.

ECONOMIST: The global reach of China's boom

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