网页Translation of. 扫尾. – Mandarin Chinese–English dictionary. 扫尾. mopping-up uk / ˌmɒp.ɪŋˈʌp/ us / ˌmɑːp.ɪŋˈʌp/ noun. the activity of dealing with a small number of people, problems, etc. that remain after most of them have been defeated or solved: The war was effectively over, although skirmishing and mopping-up went on ...