You weren't convinced of Mr Matthews' guilt.是什么意思？

You weren't convinced of Mr Matthews' guilt.

你不相信马修斯先生有罪。

you

pron. 你，你们，您们，各位，大家；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

convinced

adj. 确信的，深信的，有坚定信仰的；v. 使确信(convince的过去分词)，说服；

例句
I was so badly behaved I was convinced she would be glad to see the back of me.
我的表现如此差劲，相信她会很高兴看到我离开。

of

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]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

Mr

abbr. Mister 先生，Master 少爷，Mother 母亲，molecular radius 分子半径；

例句
According to police accounts, Mr and Mrs Hunt were found dead on the floor of their kitchen.
据警方称，亨特夫妇被发现死在家里厨房的地板上。

guilt

n. 有罪，犯罪行为，罪恶，[法律] 轻罪，过失，内疚，知罪，自责；

例句
She wanted some admission of guilt from her father.
她期待她父亲能够认罪。