You must be competent to do the job.
你得有足够的能力来做这项工作。
Only this kind of talents can be competent for the task of public relation.
这种人才能胜任公关任务。
Most adults do not feel competent to deal with a medical emergency involving a child.
大部分成年人不懂得如何对儿童实施急救。
He was a loyal, distinguished and very competent civil servant.
他是一位敬业、优秀而且非常称职的公务员。
