Maybe not, Rob. Professor Stuart Webb, a linguist from the University of Western Ontario, may be able to help you. He spoke to BBC Radio 4's More or Less programme and explained that you don't need to do that.
或许不是,罗伯。西安大略大学的语言学家斯图尔特•韦伯或许能帮到你。他做客BBC广播公司4频道的More or Less节目,并解释你不必学那么多单词。