do wonder

基本解釋

Wang Shuai, 20, Qingdao: I do wonder if today`s actors have the knowledge to be able to deliver the lines properly.
王帥（音譯），20歲，來(lái)自青島：我很懷疑如今的小演員們有沒(méi)有能力恰當(dāng)?shù)卦忈尳?jīng)典。
I do wonder about the sensibility of the Chinese people (if there is such a word in Chinese) but was reassured to read some of the comments here.
我十分懷疑中國(guó)人是否意識(shí)到了這一點(diǎn)，但是在閱讀評(píng)論后得到肯定的回答。
While the focus is on safety, and rightly so, I do wonder if there might be another benefit: inspiring more people to leave the car at home and take transit.
關(guān)注安全沒(méi)錯(cuò)，但我好奇會(huì)不會(huì)帶來(lái)另一個(gè)好處：促使更多人把車停在家里，乘坐公共交通工具。

Or you could say "I wonder if" and mean that you really do wonder,
或者你可以用“I wonder if”來(lái)表達(dá)你的確不是很清楚。
I wonder if 課堂 - SpeakingMax英語(yǔ)口語(yǔ)達(dá)人
I said that if I was really hygienic, and you can now wonder about how often do I shower?
但是這真的很棒，對(duì)不對(duì)？,那么為什么我要說(shuō)這些呢？,我說(shuō)過(guò)如果我真的很講衛(wèi)生的話？
麻省理工公開(kāi)課 - 計(jì)算機(jī)科學(xué)及編程導(dǎo)論課程節(jié)選
Then you start to wonder well what is the system and ? what is it supposed to do?
于是你開(kāi)始質(zhì)疑,這個(gè)系統(tǒng)到底是什么,還有它到底是要干什么呢？
耶魯公開(kāi)課 - 金融市場(chǎng)課程節(jié)選

This notion is interesting but I do wonder whether we have time to even post a box!
FORBES: Is It Time For Subscription Parenting?