...the first man on the moon.

登上月球的第一人

There will be no moon.

月亮不会出来了。

...the light of a full moon.

满月时的月光

...Neptune's large moon.

海王星的大卫星

Lettie was mooning around all morning, doing nothing. [VERB adv./prep.]

莱蒂混了一上午，什么也没干。

My working days were spent mooning round his department, trying to sneak a chance encounter. [VERB adv./prep.]

上班时我在他的部门转来转去，暗中寻找巧遇他的机会。

Once in a blue moon you get some problems.

极少会碰到麻烦。