in vain attempt to do是什么意思啊..
问题描述:
in vain attempt to do是什么意思啊..
in vain effortto do
和in the vain hope that 呢...
答
in vain attempt to do尝试做某事失败
in vain effort to do 努力做某事但还是失败
in the vain hope that 空想
in vain就是“徒然”“没有用”的意思