to be able to make quick decisions and act quickly, especially in an emergency
能够迅速做出决策并迅速行动，尤其是在紧急情况下 (neng gou xun su zuo chu jue ce bing xun su xing dong, you qi shi zai jin ji qing kuang xia)
"During the meeting, she had to think on her feet and come up with a solution."
"在会议期间，她必须迅速思考并提出解决方案。" (Zai hui yi qi jian, ta bi xu xun su zuo chu jue ding bing ti chu jie jue fang an)
a very good and honest person
a person who provides strong support or comfort
to argue or stop being friends with someone
to suddenly think of a good idea
to stop being so serious or stressed
to remain hopeful and optimistic about the future
