watchful

注意的，警惕的英释adjadjvery careful to notice what is happening, and to make sure that everything is all right

1 真题例句...children who are watchful will be better able to stay away from Unsafe situations...CET62009.6阅读理解

2 真题例句...and how to avoid unsafe situations by being watchful and on their toes...CET62009.6阅读理解

3 真题例句...Then there’s the whole question of whether modern parents are more watchful and nervous about safety than previous generations...CET62009.6阅读理解

1 The entrances are guarded by watchful security staff..入口处由警惕的保安人员把守。

2 His eyes were watchful..他目光警惕。