津巴布韦反对派：7月30日的投票充满风险

flaw – n. a small fault or weakness

credibility – n. the quality of being believed or accepted as true, real, or honest

petition – n. a written document that people sign to show that they want a person or organization to do or change something

sanction – n. an action to force a country to obey international laws by limiting or stopping trade with that country

transparent – adj. honest and open; not secretive

regime – n. a form of government