The baby stopped crying once he was not hungry any more.

孩子不饿，就不哭了。

youdao

Once Tootles began, which was not very often, he had a silly way of going on.

图图不常开口，但他一开口，就会变得十分愚蠢。

youdao

Once they had ascertained that he was not a spy, they agreed to release him.

一查明他不是间谍，他们就同意了释放他。

《柯林斯英汉双解大词典》

His ideas were so endless that he was not even troubled when he once lost some music he had been writing.

VOA: special.2009.02.08

Once again,he said the war was not a struggle for the Union, but a fight to free the slaves of the south.

VOA: special.2009.10.22

Torrey says he was lucky to visit it not once,but twice, at the June and December solstices.

VOA: standard.2009.12.15

At his Senate hearing last month, General Hayden told Michigan Democrat Carl Levin not once but twice that he was not "comfortable" with intelligence-related work that had been done by an office reporting to former Undersecretary of Defense Doug Feith.

CENTERFORSECURITYPOLICY: Correcting the Hayden record

The increasing frequency of his injuries coupled with the suggestion that he may not be the player he once was has led to wild rumours of an imminent retirement.

BBC: [an error occurred while processing this directive]

He was dismissed cheaply twice in Guyana, once because he could not get going, while against Ireland his footwork was tentative, which accurately sums up England's batting as a whole in that game.

BBC: Jonathan Agnew column