look in on

短语

词形变化

looked in on looking in on looks in on 三单 looks in on looking in on 现在分词 looked in on 过去式 looked in on 过去分词

释义与例句

v.
  1. 1.

    To check that (someone or something) is okay or that a process is continuing appropriately; to check up on; to monitor (someone) through brief, often surreptitious checks.