wishful thinking｜the belief that sth that you want to happen is happening or will happen, although this is actually not true or very unlikely. 一廂情願，如意算盤。
I've got a feeling that the beautiful girl has
a thing for me, but that might be a wishful
thinking.
我有一種感覺，那個漂亮的女孩對我有意思，但那可能只是一廂情願點想法。
On one hand, Australia keeps condemning
China on Hong Kong issue, Covid-19 issue
etc. on the other hand, Australia still wants
China to help it with it's economy recovery.
That's a wishful thinking.
一方面，澳大利亞總是在香港問題上，在新冠疫情問題上譴責中國，另一方面又想中國幫助它經濟復甦，簡直是如意算盤。
The dog wants to eat the crab, but don't
know how to eat it, it's a wishful thinking. it finally gets caught.
狗狗想吃螃蟹，但又不知該如何下嘴，就是一廂情願,最後被夾住了。