optimistic造句

They are not optimistic about a settlement of the eleven year conflict.
他们不是很有信心能和平解决这场长达11年的纷争。

Michael was in a jovial and optimistic mood.
迈克尔情绪愉快乐观。

He is known for his optimistic can-do attitude.
他因乐观敢闯而闻名。

• #optimistic