lock down
فعل- To secure (something).
- To blockade and lock (e.g. a building or campus) so as to prevent ingress or egress; to make the occupants (of an area) stay locked indoors for their safety. · Police have the area locked down until the situation is all-clear.
- To limit the use of (a computer network) to only users with permission.
- To make (an arrangement) secure, definite, or permanent; to fix.
- To cause (another person) to enter into an exclusive romantic relationship. · It took me some time, but I finally locked her down.
- To travel through a flight of locks on a waterway in a downhill direction.
تعلّم lock down في نصوص حقيقية
مع حساب مجاني، مرّر المؤشر فوق أي كلمة في المكتبة لترى معناها، واستمع إليها مقروءة بصوت عالٍ، واحفظ الكلمات لمراجعتها في مواعيد تناسب ذاكرتك، واعرف مقدار ما تعرفه من كل كتاب.