errant
adjective /ˈerənt/
/ˈerənt/
[only before noun] (formal or humorous)- doing something that is wrong; not behaving in an acceptable way
犯错误的；行为不当的；出格的 - errant fathers who refuse to pay maintenance for their children
拒绝支付子女抚养费的不守规矩的父亲 - (figurative) She brushed an errant curl from her forehead.
她拂去额头上一缕飘动的卷发。
- errant fathers who refuse to pay maintenance for their children
- (of a husband or wife
丈夫或妻子 对配偶不忠的；出轨的 see also knight errant
词源Middle English(in the original sense ‘travelling in search of adventure’): the current sense is from Latin errant- ‘erring’, from the verb errare. Compare with arrant.