对 + Topic + 保持乐观
乐观 (lèguān) means "optimistic" and describes a positive, hopeful outlook toward the future or a situation. It is often used with 对 (toward) to indicate what one is optimistic about, as in 对未来保持乐观 (to remain optimistic about the future). It can function as both an adjective and a noun.
虽然困难很多,但她始终保持乐观的态度。
Suīrán kùnnán hěn duō, dàn tā shǐzhōng bǎochí lèguān de tàidù.
Although there are many difficulties, she always maintains an optimistic attitude.
医生说他对手术的结果很乐观。
Yīshēng shuō tā duì shǒushù de jiéguǒ hěn lèguān.
The doctor said he is very optimistic about the outcome of the surgery.
我对未来的就业形势还是比较乐观的。
Wǒ duì wèilái de jiùyè xíngshì háishì bǐjiào lèguān de.
I'm still fairly optimistic about the future job market.