sincerelyKK [sɪnˋsɪrli] /sɪnˈsɪɹli/发音副词1真诚地、诚恳地、由衷地I sincerely hope you find the job you want.我由衷希望你能找到理想的工作。2敬上、谨启用于书信结尾She ended the letter with "Yours sincerely" and her signature.她在信末写上「敬上」并签了名。用这个字练口说→相关片语yours sincerely