adj.不再对折的,展开的,不再握紧的,松开的
She is undoubted star of British ballet.
她是英国毋庸置疑的芭蕾明星.
She has an undoubted talent as an organizer.
她的确有组织才能。
The event was an undoubted success.
这件事毫无疑问是成功的。