我不能落伍英文怎么说

你可以说 "I don't want to fall behind in my Engpsh." 意思是 "我不想落伍英语"。

这个表达的来源可能源自于跑步的比赛中的落后者，或者是比赛中的输家。在学习中，人们常常把自己与别人作比较，希望自己不落后于别人。

一些英文例句和中文翻译如下：

I don't want to fall behind in my studies. (我不想在学习中落后。)
She worked hard to catch up and not fall behind in her class. (她努力学习，希望不落后于班上的同学。)
He was afraid of falpng behind in his job and asked for more training. (他担心在工作中落后，因此请求更多培训。)