PHRASAL VERB 逐一核对;逐一检查;清点 When you check things off, you check or count them while referring to a list of them, to make sure you have considered all of them. 逐一核对;逐一检查;清点
Once you've checked off the items you ordered, put this record in your file. [VERBPREP. noun]
清点完所定购的每一件东西后,将这份记录存档。
I haven't checked them off but I would say that's about the number. [VERB noun PREP.]