Errant is used to describe someone whose actions are considered unacceptable or wrong by other people. For example, an errant husband is unfaithful to his wife.
例句
Usually his cases involved errant husbands and wandering wives...通常他接的案子都涉及出轨的丈夫和离家出走的妻子。His errant son at Dartmouth ran up debts of £250m.他那行为出格的儿子在达特茅斯欠下了高达2亿5千万英镑的债务。
英汉词典释义
adj.
犯错误的; 行为不当的; 出格的(仅用于名词前正式用语)
Errant fathers who refuse to pay maintenance for their children.拒付子女抚养费的不称职的父亲。
英英词典释义
Adjective
1. straying from the right course or from accepted standards;
"errant youngsters"
2. uncontrolled motion that is irregular or unpredictable;