He has some unfinished business to deal with.
他还要处理一些尚未了结的事务。
I'll say this much for him ─ he never leaves a piece of work unfinished.
我要为他说句公道话——他从不半途而废。
She has an undoubted talent as an organizer.
她的确有组织才能。
His sincerity is undoubted.
他的.诚意是无容置疑的。
It is undoubted the ability of IT rebuilding traditional industry.
IT作为高科技的代表，其对传统产业的改造能力是毋容置疑的。