If in doubt, black it out.

如果有疑问，请将其涂黑。

She hesitated, as if in doubt how best to word her gratitude.

她犹豫了，仿佛怀疑着怎样表达她的谢意最好。

So if in doubt call 911 and make sure it's not a heart attack.

所以如果有疑问，拨打 911，确保不是心脏病发作。

" If in doubt, wait in the hall, " whispered Michael as she left.

“如果有疑问，就在大厅里等着，”迈克尔在她离开时低声说道。

If in doubt, ask the examiner to repeat.

如果有疑问，请求考官重复。

Red wine - meat. White wine - fish. And if in doubt - Delia.

红葡萄酒配肉 白葡萄酒配鱼 要是不会做就找迪莉娅 Delia Online 在线食谱网站。

If in doubt, consult your doctor.

【doubt】如有疑虑就咨询你的医生。

If in doubt she may sound the signals prescribed in Rule 34 (d).

如有疑问，她可以发出规则 34 (d) 规定的信号。

And never forget the golden rule of avoiding misunderstandings – if in doubt, ask! It’s better to ask now than make a mistake later.

绝对不要忘记避免误会的黄金法则——如果有疑问，一定要问！比起后面一熬犯的错误当时问会好一些。

He stopped as if in doubt whether this waiting vehicle could have anything to do with the flight of his wife or not.

他停下来，仿佛不敢肯定这辆等人的马车跟他妻子的逃跑是否有联系。

And under most circumstances, some experts maintain it's a personal decision recommending you look up transmission rates in your community or county if in doubt.

大多数情况下，一些专家坚持认为这只是个人的意愿，建议人们有疑问时查阅所在社区或县的病毒传播率。

'I have done it, ' said Elfride, looking dubiously at Mrs. Swancourt, as if in doubt whether she would meet with ridicule there.

“我已经做到了，”埃尔弗里德说，疑惑地看着斯旺考特太太，好像在怀疑她是否会在那里遭到嘲笑。

The latter vessel may use the sound signal prescribed in Rule 34 (d) if in doubt as to the intention of the crossing vessel.

如果对穿越船舶的意图有疑问，后者可以使用规则 34（d）规定的声音信号。