• adj. 不穩定的；古怪的
• n. 漂泊無定的人；古怪的人

來自PIE*ers, 漫游，偏離，引申義錯誤，詞源同error. 即漫游的，偏離的。

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歲，是個技術不錯的拳擊手，在以前的比賽中發揮不太穩定。

來自柯林斯例句

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

阿根廷動蕩不定的通貨膨脹率可能會破壞那些計劃。

來自柯林斯例句

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

商界人士對變化無常的經濟決策很是惱火。

來自柯林斯例句

4. The electricity supply here is quite erratic.

這里的電力供應相當不穩定。

來自《權威詞典》

5. He is a very erratic football player.

他是個技術非常不穩定的足球隊員.

來自《簡明英漢詞典》