accidental load

例句：

1. 1. The unexpected rain caused us to carry an accidental load of luggage.
   突如其来的雨让我们不得不携带了意外的行李。
2. 2.He was carrying a heavy accidental load when he fell over.
   他正扛着沉重的意外负担时摔倒了。
3. 3. They decided to take the accidental load off their shoulders by hiring a professional cleaner.
   他们决定通过雇佣专业清洁工来减轻他们的意外负担。