optimistic

US /ˌɑːp.təˈmɪs.tɪk/
UK /ˌɑːp.təˈmɪs.tɪk/
"optimistic" picture
1.

乐观的

hopeful and confident about the future

:
She is always optimistic about her chances of success.
她对自己的成功机会总是很乐观
Despite the challenges, he remained optimistic.
尽管面临挑战,他仍然保持乐观