It's not worth three watts
Bu Cheng San Wa is a Chinese idiom. Its pronunciation is B ù ch é ngs ā NW ǎ, which means it can't be complete. It comes from the biography of Guice in historical records.
Idiom explanation
Metaphors cannot be complete.
The origin of Idioms
"Can things be safe? Heaven is not yet complete. So the room is the house, and it is not made of three tiles. "
Chinese PinYin : bù chéng sān wǎ
It's not worth three watts
walk on hoar-frost and later on solid ice. lǚ shuāng zhī bīng
the language fails to express the meaning. cí bù dá yì
be careless about one 's dress. bù xiū biān fú
have the same likes and dislikes. qì wèi xiāng tóu
Looking at the shadow and speculating. wàng yǐng chuāi qíng