| 释义 |
DEFINITIVE EXAMPLES 权威例句〔keep〕To be watchful.警觉美国传统〔watchful〕The best thing is to be watchful and see the family doctor for any change in your normal health.最佳的做法是保持警惕，一旦你的身体状况有任何变化就立即去看家庭医生。柯林斯高阶The thing is to be watchful even when you think your child is safe.要紧的是即使你认为你的孩子是安全的，还是要多留点神。剑桥国际 |