回天乏術

(idiom) nothing can be done to remedy the situation; beyond recovery

to circle / to go back / to turn around / to answer / to return / to revolve / Hui ethnic group (Chinese Muslims) / time / classifier for acts of a play / section or chapter (of a classic book)

to curve / to return / to revolve

variant of 迴|回[hui2]

to reverse a desperate situation

day / sky / heaven

short of / tired

method / technique

various genera of flowers of Asteracea family (daisies and chrysanthemums), including Atractylis lancea