Level 5 · word 8,639 of 20,000

vigilant

/ˈvɪdʒɪlənt/ American
  • adj. 警觉的, 警惕的
Definition
  • adj. carefully watching for possible danger or problems
Example
Parents must stay vigilant when children play near the pool.
孩子们在泳池边玩耍时,家长必须保持警惕。