1. 损害是由外力引起的。

[ sǔn hài shì yóu wài lì yǐn qǐ de 。 ]

The damage was caused by external forces.

2. 她引导旅游者参观了这座城堡。

[ tā yǐn dǎo lǚ yóu zhě cān guān le zhè zuò chéng bǎo 。 ]

She guided the tourists around the castle.