pessimistic
/ˌpɛsəˈmɪstɪk/
expecting the worst possible outcome
中文释义：悲观的；悲观主义的
Despite the challenges, we should not be pessimistic about the future.
尽管面临挑战，我们不应对未来悲观。
His pessimistic outlook on life often discourages those around him.
他悲观的人生观常常让周围的人感到沮丧。