表示懊悔
I should have at least tried.我至少应该试一试。
I shouldn’t have done that.我本不该做这件事。
I wish I had done it differently.我真希望我不是这么做的。
I should have checked the figures in my report.我真应该检查一下报告中的数据。
承认错误
I know it was a mistake.我知道这是个错误。
I feel ashamed of myself.我真为自己感到惭愧。