hold back
动词 hold back:
hold back, as of a danger or an enemy; check the expansion or influence of
同义词:check, turn back, arrest, stop, contain
keep under control; keep in check
同义词:restrain, suppress, keep, keep back
refrain from doing
同义词:forbear
wait before acting
secure and keep for possible future use or application
hold back; keep from being perceived by others