YOU SAID:
a thousand flying cows are bored
INTO JAPANESE
千頭の空飛ぶ牛が退屈している
BACK INTO ENGLISH
Thousands of flying cows are bored
INTO JAPANESE
何千頭もの空飛ぶ牛が退屈しています
BACK INTO ENGLISH
Thousands of flying cows are bored
That didn't even make that much sense in English.