Everything is loose in the house, and poor grandmother told me she was afraid that the house might tumbledown.
房子里所有地方都松动了，可怜的奶奶告诉我她担心房子会倒塌。
2
they run, tumbledown, flee, resist.
人们跑着，冲撞着，逃着，抵抗着。
3
Snow-capped mountains loom in the distance while smaller hills tumbledown towards the town, criss-crossed by paths and nibbled away by quarries at their bases.