I am certain that...
我确信...
🧩 词语组成解析
am
[æm]
abbr. (=amplitude modulation) <无>调频，调谐;
vi. （用于第一人称单数现在时）是;
aux. （与v-ing连用构成现在进行时，与v-ed连用构成被动语态）;
certain
['sə:tən]
adj. 某一;必然的;已确定的;
pron. [动词用复数]某些;
🗣️ 情景例句
Three things?
三件事？
Finished labours are pleasant.
大功告成，好不高兴。
One day, he walked into an expensive shop after having been caught in a particularly heavy shower.
一天，他遇上一场瓢泼大雨，淋得透湿。