put off表示“推迟，拖延”。

The tennis match was put off because of the heavy rain.

因为下雨，乒乓球比赛推迟了

call off表示“取消”。

The meeting has been called off

会议被取消了.

put off，推迟扔掉阻止，作为脱掉衣服比较书面化，call off 取消，转移某人的注意力，依次叫名