The guards couldn't have been watchig very carefully.
警卫不可能一直认真地查看。
高二英语课文
Unit 22 A tale of two cities
📚 句中词汇解析
从本句中提取的重要词汇
adv. 小心谨慎地;警惕地;仔细地;周密地;
"It behoves us to study these findings carefully."
我们理应认真研究这些发现。
近义：minutely, neatly, painstakingly, politely, scrupulously, accurately
反义：hurriedly, lightheartedly, lightly, perfunctorily, shallowly, vacuously