ADJ-GRADED
不幸的；带来厄运的；失败的
If you describe someone or something as luckless, you mean that they are unsuccessful or unfortunate.
例句
...the luckless parent of an extremely difficult child.
一个孩子极其难哄的不幸家长
...the President's luckless tour of the East.
总统失败的东方之行