Be doubtful of
公共 Public怀疑
🧩 词语组成解析
be
[bi]
v. 是;有，存在;做，成为;发生;
aux. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质;
doubtful
['daʊtfəl]
adj. 难以预测的;难以预料的，未定局的;怀疑的，拿不准的;不明不白;
doubt二，双+ful形容词后缀，有...性质的 → 两种状态的 → 可疑的，怀疑的
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Richard's going to take some wedding pictures before the ceremony.
在婚礼前Richard准备拍一些结婚照片。
Congratulations on your happy new year.
我恭喜你新年快乐。
and another group were disturbed for an equal period of time but when they were no exhibiting eye-movements,
另一组人也是连续几夜被叫醒，但是在眼球队没活动时被叫醒的。