動詞 hold-back:

1. hold back, as of a danger or an enemy; check the expansion or influence of
   同義詞：check, turn back, arrest, stop, contain, hold back
2. keep under control; keep in check
   同義詞：restrain, suppress, keep, keep back, hold back
3. refrain from doing
   同義詞：forbear, hold back
4. wait before acting
   同義詞：wait, hold off, hold back
5. secure and keep for possible future use or application
   同義詞：retain, hold, keep back, hold back
6. hold back; keep from being perceived by others
   同義詞：conceal, hold back, hold in