Some two-character words with connotations are difficult to understand. The one who answers four words is blind!

Mottled, throbbing, autumn Kun, flashy, ashamed, busy, coming, young, lonely, lonely.

Over time, it is obvious, boring, tired, backward, noisy, annoying, broken and sloppy.

Depressed, healthy, fluttering, quiet, festering, singing, charming, wandering, gorgeous and pure.

Bright, fuzzy, deep, burning, disillusioned, undeveloped and unruly.