After two years’ study ,his knowledge of French reminded vevy weak.咋翻译?

问题描述:

After two years’ study ,his knowledge of French reminded vevy weak.咋翻译?

经过两年的学习,他的法语知识还是很薄弱.
reminded 应该为remainded吧.remained吧?恩,必须的。谢啦、、