因为，昨天他问了我一个中文词汇的用法的问题，我之前打算用英文来向他解释，不过不幸的是，我发现这对我来说太难了。

Because he asked me a question about the use of a Chinese vocabulary yesterday and I wanted to explain it to him in English before, but unfortunately I found it was too difficult to me.

youdao

因为，昨天他问了我一个中文词汇的用法的问题，我之前打算用英文来向他解释，不过不幸的是，我发现这对我来说太难了。

Because he asked me a question about the use of a Chinese vocabulary yesterday and I wanted to explain it to him in English before, but unfortunately I found it was too difficult to me.

youdao