- 保持冷静。
Stay calm.
- 这个计划必须保持秘密。
This plan requires secrecy.
- 保持在较低的温度。
Keep it at a lower temperature.
- 我们必须保持家庭传统。
We must keep up the family traditions.
- 我希望我们能保持联系。
I hope we stay in touch.
- 无论发生甚么事也要保持冷静。
Keep calm, whatever happens.
- 白色的地毡很难保持乾净。
White carpets are very hard to keep clean.
- 我们一定要保持双手清洁。
We must keep our hands clean.
- 我们保持了沉默。
We kept quiet.
- 老人保持强健很重要。
It is important for old people to stay strong.
