他站在角落里，双臂交叉在胸前，看起来不好接近。

He stood in the corner with his arms ___crossed over his chest, looking unapproachable.

孩子们手牵手小心地过了马路。

The children ___crossed the road carefully while holding hands.

我划掉了购物清单上不需要的物品。

I ___crossed off the unnecessary items on the shopping list.

我们在商场里擦肩而过，但都没有注意到对方。

We ___crossed paths in the mall but didn't notice each other.