[Interpretation] Caged birds. Metaphor is a person who loses his freedom.

[Language] "Guo Guanzi Soldier Twelve": "A glance; Can't catch a sparrow; Caged bird; I can't see it in the air. "

[Pronunciation] Cage; It can't be pronounced "lǒnɡ". "

[Shape discrimination] Cage; Can't write "pet".

Poor bird in the cage

[usage] describes the loss of freedom. Generally used as an object.

[structure] is more formal.

[Example] She has simply become ~; Although life is excellent; Be pampered; But I lost my freedom.