to appear on stage in an amateur capacity / (of a professional) to make a guest appearance / (fig.) to assume a role outside one's usual duties / to substitute for
ticket / ballot / banknote / CL:張|张[zhang1] / person held for ransom / amateur performance of Chinese opera / classifier for groups, batches, business transactions
枪版
qiāng bǎn
amateur pirated DVD, made e.g. by shooting a running movie