watchful
🇬🇧/ˈwɒtʃfl/ 🇺🇸/ˈwɑːtʃfl/Someone who is watchful notices everything that is happening. 警觉的
adjective [原级] 注意的,警惕的
The best thing is to be watchful and see the family doctor for any change in your normal health. 最好的做法就是保持警惕,身体一有变化就去看家庭医生。