We have to be fair to both players.

我们必须公正对待双方运动员。

《牛津词典》

We have to be realistic about our chances of winning.

我们必须实事求是地估计我们获胜的可能性。

《牛津词典》

I don't want to be rude, it's simply that we have to be careful who we give this information to.

我不是有意无礼，只不过这份资料给谁我们必须很慎重。

《牛津词典》

"We have to be cautious. Anger against al-Shabab does not necessarily translate into support for Sharif.

VOA: standard.2009.12.23

Perhaps the argument should be, "We have to believe in souls because no mere physical object, no machine could feel."

而应该是,我们不得不相信灵魂,因为所有物理对象,所有的机器都没有感觉

耶鲁公开课 - 死亡课程节选

We have to be at the airport at 8 a.m.

我们必须8点钟到机场。

I'd better 实战 - SpeakingMax英语口语达人

When countries do take the right decisions, we have to be there with incentives.

WHITEHOUSE: The White House

We have to be successful at the cutting-edge industries of the future like Twitter.

WHITEHOUSE: Twitter Town Hall

We have to be careful with ascribing intelligence to seemingly impressive behaviours, he says.

BBC: Meet the brains of the animal world