erratic

• adj. 不稳定的；古怪的
• n. 漂泊无定的人；古怪的人

来自PIE*ers, 漫游，偏离，引申义错误，词源同error. 即漫游的，偏离的。

erratic (adj.)

late 14c., "wandering, moving," from Old French erratique "wandering, vagrant" (13c.) and directly from Latin erraticus "wandering, straying, roving," from erratum "an error, mistake, fault," past participle of errare "to wander, err" (see err). Sense of "irregular, eccentric" is attested by 1841. The noun is from 1620s, of persons; 1849, of boulders. Related: Erratically.

1. Douglas was a 29-year-old journeyman fighter, erratic in his previous fights.

道格拉斯29岁，是个技术不错的拳击手，在以前的比赛中发挥不太稳定。

来自柯林斯例句

2. Argentina's erratic inflation rate threatens to upset the plans.

阿根廷动荡不定的通货膨胀率可能会破坏那些计划。

来自柯林斯例句

3. Businessmen are displeased with erratic economic policy-making.

商界人士对变化无常的经济决策很是恼火。

来自柯林斯例句

4. The electricity supply here is quite erratic.

这里的电力供应相当不稳定。

来自《权威词典》

5. He is a very erratic football player.

他是个技术非常不稳定的足球队员.

来自《简明英汉词典》