周末我们就在公园里闲逛打发时间。
We just ___knocked around the park during the weekend.
别这样乱碰我的相机,你会弄坏它的。
Stop ___knocking around my camera like that, you'll break it.
我的旧相机可能还在阁楼里随便放着。
My old camera might still be ___knocking around in the attic somewhere.