He piped “Happy Birthday” on the cake.

他在蛋糕“生日快乐”的字样。

This hauli wood secretaire bookcase mixing East and West can be identified by concealed characters reading, "Ship's captain no 4--Bookcase."

这个清初花梨木书柜，西合璧，箱还有「四号船主：书箱」字样。柯博士猜想国工匠当年还为它的用途有过一番争议。