Even if you're like me and you don't know a word of either language, they still sound different.

即使你像我一样,完全不懂这两种语言,它们听起来仍然是不一样的

耶鲁公开课 - 心理学导论课程节选

where the accent's totally different and I didn't understand a single word.

那里的口音完全不同，我一个词也听不懂。

语法和语调是关键 - SpeakingMax英语口语达人

So really, I just had no context for the chemistry.

所以当时我是完全不懂化学。

麻省理工公开课 - 化学原理课程节选