動詞 keep back:

1. keep under control; keep in check
   同義詞：restrain, suppress, keep, hold back
2. secure and keep for possible future use or application
   同義詞：retain, hold, hold back
3. hold back; refuse to hand over or share
   同義詞：withhold

1. Keep back! The building could collapse at any moment.
   別靠近! 那建筑物隨時可能倒塌。
2. She tried to keep back her tears.
   她試圖抑制住眼淚。
3. A certain percentage of your salary is kept back by your employer as an insurance payment.
   雇主扣下你部分薪金作保險金用。
4. Millions of gallons of water are kept back by the dam.
   這個堤壩攔住了滔滔的洪水。
5. I'm sure she's keeping something back (from us).
   我肯定她(向我們)隱瞞　什麼。
6. Barricades were erected to keep back the crowds.
   設(shè)置了障礙以隔開人群。
7. She was unable to keep back her tears.
   她無法忍住淚水。
8. Keep well back from the road.
   離馬路遠些。