shì r
one's employment
business
matter that needs to be settled
erhua variant of 事[shi4]
CL:件[jian4],樁|桩[zhuang1]
méi shì r
to have spare time
free from work
it's not important
it's nothing
never mind
dàng huí shì r
erhua variant of 當回事|当回事[dang4 hui2 shi4]
tān shì r
(coll.) to get into trouble