check up on someone
phrasal verb with check verb uk/tʃek/ us/tʃek/
C1 监督；督促；检查
to try to discover what someone is doing in order to be certain that that person is doing what they should be doing
My mum checks up on me most evenings to see that I've done my homework. 我妈妈大多数晚上都要检查我是否完成了家庭作业。