among the outstanding figures of chinese history, famous either for their intelligence or treachery（背叛，变节）, cao cao is one of the foremost.
one hot day, he marched out his troops under a burning sun in a mountainous area.
bewilderingly（令人困惑地） he lost the way. the journey was long and the sun was
1. after their fruitless and
2 march, all voiced their great dissatisfaction with the leadership of cao cao. they bitterly complained of their great thirst. the
3（对抗） of the soldiers was growing fast and they were on the
4 of staging a
mutiny（兵变）. the subordinate officers were helpless to cope with the situation.
cao cao, however, in the nick of time cleverly and
5 gave orders to his troops to march to the nearby plum trees for a rest and announced that soldiers would be allowed to eat the juicy
sour（酸的） fruit as much as they desired.
at the thought of the sour fruit the soldiers' complaint of great thirst as well as the
6 feeling were quickly forgotten.
based on the story the later generation formed the proverb "to
7 one's thirst by looking up at plums", to
8 a case where one takes comfort in believing that they have already
9 that which was expected or desired.
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