keep up
(Английский)
- (transitive) To maintain; to preserve; to prevent from deteriorating or falling.
- (idiomatic, transitive) To continue with (work, etc).
- (idiomatic, intransitive) To stay even or ahead.
- To ensure that one remains well-informed about something.
- To prevent someone from going to bed or to sleep
- (obsolete) To use capital letters as much as reasonable.
Напротив
keep down
Этимология (Английский)
In summary
From Middle English kepen up (“to perpetuate, maintain, preserve”), equivalent to keep + up.
be up
remain up
keep abreast
support life
keep in good condition
give assistance to
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