blue moon meaning in English
极长的一个时期。
Examples
- You get a chance like this only once in a blue moon .
这种机会你是很难得到的。 - I see her once in a blue moon .
我难得看到她。 - If the river overflows its banks, the garden gets flooded; but that only happens once in a blue moon .
如果河水漫过两岸，庭园就要淹没，不过那只是千载难逢的事。 - Barry only visits his parents once in a blue moon
巴里很难得去看望他父母一次。 - This band comes to my town once in blue moon
这个演唱小组难得来我们镇上一次。