应当 應當

汤姆应当被责备。

Tāng mǔ yīng dāng bèi zé bèi.

Tom deserves to be blamed.

火车应当准点到。

Huǒ chē yīng dāng zhǔn diǎn dào.

The train should be on time.

如果汤姆没有做他应当做的事，请让我知道。

Rú guǒ Tāng mǔ méi yǒu zuò tā yīng dāng zuò de shì, qǐng ràng wǒ zhī dào.

If Tom doesn't do what he's supposed to do, please let me know.