nǐ hǎo, Rency. In Chinese you can say:

fáng jiān lǐ méi yǒu diàn le, yīn wèi zǒng kāi guān huài le = There is no current in the room because there is something wrong with the main switch.

nǐ kě yi dǎ diàn huà gěi méi qí zhàn, gào sù tā men dài yi ge mei qì píng = Could you call the gas cylinder office and tell them to bring one.

Benny