many moons ago 很久以前；好几个月以前

【例句】
My weight at that age was lighter than Alice's, but that was many moons ago.
我在那个年纪的体重比爱丽丝的轻，不过那已是很久以前的事了。

I weighed no more than him myself at that age, but that was many moons ago.
我自己在那个年龄时体重是决超不过他的，不过那已是很久以前的事了。