unrealistic
adj
ˌʌnrɪəˈlɪstɪk◄
adj
1
unrealistic
ideas
or
hopes
are
not
reasonable
or
sensible
不现实的，不切实际的
it
is
unrealistic
to
do
sth
It
is
unrealistic
to
expect
these
changes
to
happen
overnight.
期待这些改变一夜之间就能实现是不切实际的。
Some
parents
have
totally
unrealistic
expectations
of
teachers.
有些家长对老师抱着完全不切实际的期望。