He told me that he would not leave until I came.

他告诉我，我回来他才会离开。

youdao

The poor little Swallow grew colder and colder, but he would not leave the Prince, he loved him too well.

可怜的小燕子觉得越来越冷了，但是他却不愿离开王子，他太爱这位王子了。

youdao

He would not be allowed to leave the country.

他不准离开这个国家。

《柯林斯英汉双解大词典》

He would not leave,however, if before then he received new orders or supplies.

VOA: special.2009.08.06

As Lincoln got on the train that would take him to Washington, he said: "I now leave, not knowing when -- or whether ever I may return.

VOA: special.2009.07.23

And he said that he would sit there and die with his dogs if he had to because he would not leave them.

NPR: Pets Still Being Collected in Katrina's Aftermath

Greyfriars Bobby is a rather famous little dog: he was so distressed by the death of his owner that he would not leave the graveyard.

FORBES: Greyfriars Bobby: Just Victorian Business Branding

She told police he would not leave so she locked the door and jumped from her balcony to the level below, injuring her leg, before fleeing the hotel.

BBC: UK tourist jumps from Agra balcony 'after massage offer'