Cut one large onion in half and tie the half an onion to the bottom of each of your feet.

　　把一個大洋蔥切成兩半，然后把這半個洋蔥綁在腳的底部。

　　The change cut their expenditures in half, but the new living arrangement proved too challenging.

　　這一變化使他們的開支減少了一半，但新的生活安排太具有挑戰性了。

　　When we are making paper cuttings, we usually fold the red paper in half and then cut it with scissors.

　　當我們剪剪紙時，我們通常將紅色的紙片折成兩半，然后用剪刀剪。

　　The workers were not better organized, otherwise they would have accomplished the task in half the time.

　　沒有更好地把工人們組織起來，否則他們用一半的時間就能完成任務。