“洗罪”常见的英文表达是 “expiate one's sins” 或 “atone for one's sins” 。
expiate one's sins： “expiate” 意思是“赎（罪）；补偿（过失）”，强调通过某种行为来消除罪过或过失带来的不良影响。例如：He went on a pilgrimage to expiate his sins.（他去朝圣以洗刷自己的罪过 。）
atone for one's sins： “atone for” 表示“为……赎罪；补偿”，更侧重于通过补偿行为来弥补过错。例如：She tried to atone for her sins by helping the poor.（她试图通过帮助穷人来赎罪。 ）