All at once he thought to himself: "I will make them think the Wolf has come. That will be great fun."

忽然他想道：“我要叫他们以为狼来了，那才有意思哩。”

youdao

He thought at once, and signed to the boys not to burst into applause.

他立刻想了想，示意孩子们不要突然鼓掌。

youdao

The once promising midfielder had ended his career at an early stage, because he thought that all things considering this was the best thing for his mental health.

这位曾经的中场天才在很早的时候就结束了职业生涯，因为他认为考虑到自己的心理状况，这是最好的选择。

youdao

He was ninety-four years old. Someone once asked him if he thought he would still be playing at one hundred years old.

VOA: special.2009.09.27

"We went to Chester for the ground, and once he won that we thought we had to have a go at the Derby, " he added.

BBC: Epsom Derby 2010: Michael Hills to ride Ted Spread

For example, once I thought he was pointing a gun at me, but it turned out to be a remarkably good fake.

NEWYORKER: The Region of Unlikeness

'Once, he saw a Cuisinart at Macy's that he thought looked incredibly great, ' says Andy Hertzfeld, one of the engineers on the original Mac team and the author of 'Revolution in the Valley: The Insanely Great Story of How the Mac Was Made.

CNN: Why Apple's Steve Jobs is so fascinating