la-la land
US /ˈlɑːlɑːˌlænd/
UK /ˈlɑːlɑːˌlænd/

1.
幻想世界, 夢幻之地
a state of being out of touch with reality; a fantasy world or dreamlike state
:
•
He's always living in la-la land, oblivious to the real world problems.
他總是活在幻想世界裡,對現實世界的問題一無所知。
•
Her ideas are so far out, she must be in la-la land.
她的想法太離譜了,她一定是在幻想世界裡。
2.
洛杉磯, 好萊塢
a nickname for Los Angeles, California, especially referring to its entertainment industry and perceived superficiality
:
•
Many aspiring actors move to La-La Land hoping to make it big.
許多有抱負的演員搬到洛杉磯,希望能大展宏圖。
•
The glitz and glamour of La-La Land can be deceiving.
洛杉磯的浮華和魅力可能具有欺騙性。