unrepair

例句：

1. 1. The car's engine is completely unrepairable due to the damage it sustained in the accident.
   由于事故造成的损坏，这辆车的引擎完全无法修复。
2. 2. The old house was unrepairable because of the extensive damage caused by termites.
   由于白蚁造成的广泛损害，那所老房子无法修复。
3. 3. The engineer found that the machine was unrepairable due to the age and wear and tear.
   工程师发现这台机器因为年久失修而无法修复。