可望不可及 (kě wàng bù kě jí)

可望不可及

(kě wàng bù kě jí)
English Translation:“In sight but out of reach.”

Meaning:
Use this to describe something—whether literal or metaphorical—that seems close but is just out of your reach.

Example:
这份工作机会对我来说可望不可及。
(This job opportunity is “in sight but out of reach” for me.)

Source: Hello Mandarin