keepsthback
—phrasal verbwithkeepverbuk/kiːp/us/kiːp/kept|kept
(NOT USE ALL)
to not use thewholeamountof something so that there is asmallamountremainingforlater
保留，留出（一小部分）
(NOT TELL)
C2
to nottellsomeone everything youknowabout asituationor aneventthat hashappened
隐瞒
Isuspectshe'skeepingsomething back.我怀疑她有所隐瞒。