He's still getting over his illness, so don't expect too much from him.

他仍处于康复期，所以不要对他期望过高。

《牛津词典》

And don't expect too much.

还有，不要期望过多。

youdao

Don't expect too much from others.

不要从别人那里期待太多。

youdao

When you begin your new role, don't expect too much of yourself settling in with the new territory.

CNN: Management Masterclass

"Don't expect too much in the way of results, " says international-relations lecturer Chayachoke Chulasiriwongs of Thailand's Chulalongkorn University.

CNN: MYANMAR

Don't expect too much.

WSJ: Dysfunctional Family Bingo