1.翻译:我缺少贸易这方面的专业知识

My knowlege of trade as a profession is poor. or

The lack of professional knowlege about trade is my short board. or

I’m poorly equipped in terms of professional knowlege of trade

or

I’m yet to learn more about trade knowlege

2.英语翻译的学习问题

翻译,要信达雅

信,遵从原文意思

达,翻译的到位

雅,要有文采

你汉语不好,即使你明白英文的意思,你能用正确到位的汉语说明吗?

就是这个意思

看看这篇博文 你会明白的 题目是

行百里者半九十 要的是汉语水平而非英语水平(兼评张璐的招待会翻译)

专业知识不足英文翻译-编程日记