[duàn dìng]
conclude; form a judgment; decide; assertion; ascertainment; predicate; determine
He came to the conclusion that the machine was out of order.
他斷定機器出了毛病。
We may reasonably conclude that the meeting has been postponed.
我們有理由可以斷定， 會議推遲了。
We are sure you dare not.
我們斷定你們是不敢的。