We have to work within severe constraints of time and money.

我们必须在时间紧迫、资金紧张的限制下工作。

《牛津词典》

You are the most important to Mum and Dad, but we have to work.

你对妈妈爸爸来说是最重要的，但是我们必须得工作。

youdao

So, we have to work.

因此，我们不得不工作。

youdao

"We have to work harder together to fight the perceptions and the stigma.

VOA: special.2010.04.28

Knowing what iambic pentameter is, is not a gift of birth, but rather something that comes through a little bit of practice, which means we have to work at it a little bit.

没有谁是生来就知道抑扬五音步格诗，是需要努力才能知道的，这说明我们必须在这个上面花点功夫。

耶鲁公开课 - 现代诗歌课程节选

So we have to work with him and push him in the right direction.

所以必须与他合作，把他推向正确的轨道。

普林斯顿公开课 - 国际座谈会课程节选

We have to work on everything - on propulsion, on structures, on avionics, on cabling.

BBC: Ariane rocket aims to pick up the pace

We have to work for every vote but when we do we win support.

BBC: News | UK Politics | Margaret McDonagh's speech

We have to work harder, lower our costs and be more competitive in service and flexibility.

CNN: Oknoplast sees Europe' s window of opportunity