unsuccessful
adj
ˌʌnsəkˈsesfəl◄
adj
1
not
having
a
successful
result
or
not
achieving
what
you
wanted
to
achieve
不成功的，失败的
an
unsuccessful
attempt
to
climb
Qomolangma
攀登珠穆朗玛峰的失败尝试
unsuccessful
in
(doing)
sth
We
have
been
unsuccessful
in
finding
a
new
manager.
我们没能找到一位新的经理。
He
tried
unsuccessfully
to
make
them
change
their
decision.
他试图让他们改变决定，但是没能成功。