The Chinese word for safety belt is
安全带

ān quán dài

safety belt

Chinese Definition

Components
安
1. calm; peaceful; tranquil; quiet
安寧 - peaceful; tranquil
安睡 - to sleep peacefully
不安 - uneasy; disturbed
2. comfortable; at ease
安逸 - easy and comfortable
3. safe; secure
安然無恙 - safe and sound
轉危為wéi安 - avert a danger
4. to calm; to pacify
安神 - to calm the nerves
除暴安良 - to get rid of bullies and bring peace to good people
天Tiān安門 - Tiananmen, Beijing; literally "the gate of Heaven's peacemaking".
5. to feel satisfied with
安於現狀 - to be content with the status quo (and unwilling to progress)
安貧樂道 - to be happy to live a simple and virtuous life
6. to find a place for; to plant
安插 - to place (somebody) in a certain position
安家落戶 - to settle in a new place
7. to fit; to install
安電燈 - to install electric lighting
8. to cherish; to harbour
9. to confer (a title); to bestow; to put (the blame on someone)
隨便給他安個罪名 -
10. (literary) where
11. (literary) how; why
12. (physics) Short for 安培, ampere
13. Short for 安非他命, amphetamine
吸安 - to use amphetamine (illegally)
安祿-山 - An Lushan
14. (historical) . Given to people from the Arsacid or Parthian Empire (tr=-)
15. Short for 安那其主義, anarchism
全
1. complete; whole; entire
2. completely; wholly
3. everything; all
4. perfect; flawless; faultless
5. to preserve; to save; to keep whole or intact
6. to maintain; to keep
带
1. Simplified form of 帶