up and down

• عبارة عامة تُستخدم لوصف الحركة في اتجاهات متعاكسة بالتناوب، أو التقلب في الحالة، أو البحث الدقيق. وقد تشير أيضًا إلى حالة التغير أو النشاط المستمر.

A versatile phrase used to describe movement in alternating directions, fluctuating conditions, or thorough searching. It can also refer to being in a state of constant change or activity.

1. Moving verticallyA2formal

   Moving alternately upward and downward.

   صعودًا وهبوطًا

   • The elevator went up and down all day.
   • The boat bobbed up and down on the waves.
   • He was jumping up and down with excitement.

2. Fluctuating or changingB1informal

   Alternating between good and bad states; inconsistent.

   متقلب

   • The stock market has been going up and down recently.
   • His mood is always up and down.
   • The weather has been up and down this week.

3. Thoroughly or completelyB2informal

   Used to emphasize that something is done in every direction or aspect.

   طولًا وعرضًا

   • I searched the house up and down for my keys.
   • They looked up and down the street for the lost dog.
   • He knows the city up and down.