فارسی
لغت نامه استاندارد انگلیسی به فارسی
لغت نامه استاندارد انگلیسی به فارسی
english
1
general::
Phrase(s): if not if that is not [the case]; if that is not so. • If not cleaned, the clock will stop running. • He should be here at noon. If not, we will eat without him.
McGrawhill's American Idioms And Phrasal Verbs