1.I can't imagine life without the children now.我现在无法设想没有了孩子们的生活。

2.They were able to achieve a settlement without using military force.他们没有诉诸武力就解决了问题。

3. I'd never have got through it all without you.假如没有您，我是绝对渡不过这个难关的。

without,是介词，没有的意思，造句people can't live without air