“灰心丧气”常见的英文表达有 “lose heart”、“be discouraged” 或 “feel dejected” 。以下为你分别举例：
含义：表示失去信心、勇气或希望，不再有努力的动力，强调因困难或挫折而内心消沉。
例句：Don't lose heart when facing difficulties; keep trying and you'll succeed eventually.（面对困难时不要灰心丧气，坚持努力，你最终会成功的。）
含义：侧重于描述因遭遇失败、挫折或负面反馈而感到沮丧、失去积极性。
例句：He was initially discouraged by the low sales figures, but he soon regained his enthusiasm.（起初，他被低迷的销售数字弄得灰心丧气，但很快他又重拾了热情。）
含义：更强调内心的沮丧、低落情绪，这种情绪可能是由于失望、失败等原因引起的。
例句：After failing the exam again, she felt dejected and didn't want to talk to anyone.（考试再次失败后，她感到灰心丧气，不想和任何人说话。）