croon
It's a Chinese idiom. Pinyin is d ī y í nqi à NCH à ng, which means singing lyric songs in a low voice. It also describes a bug singing at night.
Notes on Idioms
Murmur: murmur. Shallow singing: singing in a low voice.
Idiom usage
Used as predicate or object; used in singing, etc. The insects are singing, the stars are blinking, and the night is very charming.
croon
write well , fast and without need of revision - wén wú jiā diǎn
occupy some place , belonging to another - què cháo jiū jù