sit up

• Фразовый глагол, используемый для обозначения действия по переходу из лежачего или сгорбленного положения в сидячее прямо, или для внезапного проявления бдительности или внимания.

A phrasal verb used to indicate the act of moving from a lying or slouching position to an upright sitting position, or to suddenly become alert or attentive.

uncountable · intransitive · phrasal, no object

1. Move to an upright positionformal

   To change from a lying or slouching position to a sitting position.

   Сесть прямо

   • He sat up in bed when he heard the noise.
   • The baby is learning to sit up on her own.
   • She sat up slowly after lying down for a nap.

   Antonymslie downreclineslouchsprawl

2. Stay awake lateinformal

   To remain awake and not go to bed, often waiting for something.

   Не ложиться спать

   • We sat up late watching movies.
   • She sat up waiting for her son to come home.
   • I sat up all night to finish the report.

   Synonymsstay up

   Antonymsretiresleep

3. Become alert or attentiveinformal

   To suddenly become more alert or pay closer attention.

   Насторожиться

   • The news made everyone sit up and take notice.
   • His speech made the audience sit up and listen.
   • The sudden noise made the dog sit up and bark.

   Synonymsalertbrightenperk uprousetake noticewake up

Base verbsit