Frost and sun
Severe frost and scorching sun, a Chinese idiom, Pinyin is y á nshu ā ngli è R ì, which means to refer to a severe test in a difficult environment or the fortitude to stand the test.
Analysis of Idioms
Synonyms: hot sun, autumn frost, autumn frost, hot sun
Idiom usage
The combination is used as commendatory and predicate.
Frost and sun