操劳

to work hard
to look after

灿烂, 舱, 苍, 沧, 伧, 仓, 苍白, 仓促, 仓库, 苍鹭, 苍天, 藏, 糙, 操, 操场, 操持, 操典, 操舵室, 操法, 操课, 操练, 操切, 操守, 操心, 操行, 操演, 操纵, 操作, 操作环境, 操作速率, 操作系统, 操作者, 曹, 嘈, 漕, 槽, 艚, 螬, 草, 草案,