用作名词 (n.)
He is a pompous official.
他是个自命不凡的官员。
The mayor is a considerable official.
市长是一位重要的官员。
An official of the local government called to see him.
当地政府一位官员来看他。
用作形容词 (adj.)
The group have split off from the official union.
这一部分人已从正式的联盟中分裂出来了。
I happen to have the official statistics with me.
我碰巧身边有官方的统计数字。
They expressed their dissent from official policy.
他们对官方的政策表示出异议。