adj.召唤的

I couldn't summon up his name at the moment. 此时我无论如何想不起他的名字了。

Summon the pupils together in the school hall. 把学生召集到学校的礼堂里。

To summon a devil by magic or supernatural power. 施妖术用魔力或超自然力召唤魔鬼

In case of fire, summon the fire brigade. 万一发生火灾，请呼叫消防队。

You should summon up your nerve for the task. 你要集中精力完成这项工作。

To announce or summon by tolling. 鸣钟通知或召集