He was hiding the fact that he was an illegitimate child.

My zodiac sign is Taurus.

He is interested in astronomy, especially in researching about Boötes.

He was interested in the ancient boustrophedon style of writing.

Have you ever seen a wildebeest in the savannah?

Bovine spongiform encephalopathy is a fatal disease that infects cows.

He is so engrossed in his work, it's like 'Wu's cow gasping at the moon'.

He reacts excessively to even small problems, like the proverb 'Kureushi Tsuki ni Aegu' which means 'excessive fear'.

She is very smart, but as the proverb goes, 'A clever woman can't sell a cow,' she can't do everything well.