idle

闲置的、未使用的、停工的

Several machines have been sitting idle since the factory closed.

工厂关闭后，好几台机器一直闲置著。

无所事事的、闲散的

He spent an idle afternoon watching clouds from the balcony.

他在阳台上看云，度过了无所事事的一个下午。

懒惰的、懒散的贬义

She scolded her idle nephew for never looking for work.

她责备懒惰的姪子从来不去找工作。

无谓的、空泛的、毫无根据的

His warning turned out to be no idle threat.

他的警告后来证明并不是随口说说的恐吓。

空转、怠速运转

The truck idled at the curb for nearly ten minutes.

卡车在路边怠速运转了将近十分钟。

闲晃、无所事事

Teenagers idled outside the convenience store all evening.

青少年整晚都在便利商店外面闲晃。

使停工、使闲置常用被动

The strike idled thousands of workers for three weeks.

这场罢工让数千名工人停工了三个星期。

怠速、空转

The engine shakes badly at idle but runs fine otherwise.

引擎在怠速时抖得厉害，其他状况下倒是正常。

虚度、消磨

We idled away the whole weekend playing card games.

我们玩牌虚度了整个周末。