[分析]
windfall主要强调意外的收获，而这种所得并没有合法与非法的。
33. HARDIHOOD::
(A) simplicity
(B) timorous
(C) discretion
大胆,鲁莽简易;直率胆小谨慎;判断力
[词义]
hardihood n. 大胆, 鲁莽
a : resolute courage and fortitude b : resolute and self-assured audacity often carried to the point of impudent insolence
2 : VIGOR, ROBUSTNESS
synonyms see TEMERITY
timorous adj. 胆小的, 胆怯的
1 : of a timid disposition : FEARFUL *reproached myself with being so timorous and cautious — Daniel Defoe*
2 : expressing or suggesting timidity *proceed with doubtful and timorous steps — Edward Gibbon*
discretion n. 谨慎, 审慎
1 : the quality of being discreet : CIRCUMSPECTION; especially : cautious reserve in speech
2 : ability to make responsible decisions
3 a : individual choice or judgment *left the decision to his discretion* b : power of free decision or latitude of choice within certain legal bounds *reached the age of discretion*
4 : the result of separating or distinguishing