IF IN doubt, call a summit.

如果存在疑虑，那就开个峰会。

youdao

If in doubt do less, but do it right.

如果怀疑做得少，不如做的恰当。

youdao

If in doubt, avoid it.

如有怀疑，远离它。

youdao

It seemed to me also that every living African, whether in good or ill health, is prey to many enemies of health that would interact one upon the other in many ways within one human body, Critics feared if President Mbeki appeared to doubt the link between HIV and the disease, people would not practice safe sex and use condoms.

VOA: standard.2010.05.17

So, when in doubt, if you're having some weird character issue, odds are you need to escape it in some way.

如果你有拿不准的字符,可能就要用到转义字符了。

哈佛公开课 - 计算机科学课程节选

So the best response for Player 1, as a function of what Player 2 chooses, q2, is just equal to the q1 hat in this expression and if I solve that out carefully, I will no doubt make a mistake, but let's try it.

这个就是参与人1的最佳对策,它是参与人2策略q2的一个函数,它和之前的q1帽那个表达式是相等的,虽然我是很仔细地计算的,还是有可能算错的,我来验证一下

耶鲁公开课 - 博弈论课程节选

And if in doubt, should prudent policymakers err towards doing too much or too little?

ECONOMIST: The G20 and the world economy

So, if in doubt, ask the front desk or contact technical support for the connection.

FORBES: 5 Ways To Protect Your Computer While Traveling

If in doubt a parent should always view a film privately before allowing their children to see it.

BBC: 12A film certificate: Your views