free and unconstrained; living in a relaxed and carefree manner

an exclamation expressing grief, sorrow, or lamentation

a rhetorical question meaning 'why bother' or 'is it worth it', often used to express that an action is unnecessary or not worth the trouble; variant of [[何苦|何苦|he2 ku3]] with the classical final particles [[来|來|lai2]] and [[哉|哉|zai1]] for emphasis.

Sanctus (section of Catholic mass)

filled with joy (quotation from poems by [[曹操|曹操|Cao2 Cao1]])