The unskilled section of the working class was diminishing as a proportion of the workforce.劳动力中非熟练工人的人数正在减少。Many farm labourers left the countryside and swelled the ranks of unskilled labourers in the cities.许多农工离乡出走，大大增加了城里非熟练工人的数量。There's already a blanket ban on foreign unskilled labour in Japan.日本已经全面禁止国外非熟练工入境。