英译汉常见错误 | to one's cost 吃了亏[苦头]后才……,付出代价后才……

[例句] Allan learned it to his cost.
[误译] 艾伦自费学会了这种技能。
[原意] 艾伦吃了苦头后才晓得此事。
[说明] to one's cost(口语)意为“吃了亏[苦头]后才……”、“付出代价后才……”。