Nails are nails, rivets are rivets
Nail is a nail, riveting is riveting is a Chinese word, meaning that the two must be completely consistent to install. It means to be serious and unambiguous.
Discrimination of words
[interpretation] Ding is one of the ten Heavenly Stems and Mao is one of the twelve Earthly Branches. The stems and branches are matched in order to record the time and date. "Ding Mao" is also homonymous with "nailing and riveting". Nails are tenons and riveting is riveting holes. The two must be completely compatible to be installed. It means to be serious and unambiguous.
Word usage
[example] his words and deeds are deeply trusted by everyone.
Word structure
Complex
Nails are nails, rivets are rivets
his future career will be great - qián chéng wàn lǐ
The battle between the ant and the snail - yǐ dòu wō zhēng
render outstanding service and be famous - bài jiàng fēng hóu