1.reassure的基本意思是打消别人的疑虑或安慰某人。引申可指“向…保证”。既可用作及物动词,也可用作不及物动词。用作及物动词时,可接名词或代词作宾语。也可接双宾语,直接宾语可由that从句充当。
2.在非正式语体中, reassure能引出直接引语,作“宽慰某人”解。
3.reassure与about连用,意思是“宽慰,消除疑虑”。

reassure about(v.+prep.)
宽慰 comfort; console
▲reassure sb about sth
The doctor reassured the sick man about his health.医生安慰病人不要为健康担心。

用作及物动词
▲S+～+n./pron.
The doctor reassures the sick man.医生让他的病人消除对健康的疑虑。
The teacher's calmness during the storm reassured the children.老师在暴风雨中表现出的镇静安定了学生。
◇ 用于be ～ed 结构
People are reassured.人心安定了。
▲引出直接引语
“You're positive no one knows we are out of town?”“No one,I'm positive.”Adcock reassured him.“你肯定没人知道我们出城吗?”“是的,我敢肯定。”阿德科安慰他说。
用作双宾动词
▲S+～+n./pron.+that-clause
I was trying to reassure her that things weren't as bad as she thought.我设法安慰她说事情并不像她想象的那样糟糕。
Reassure him that we shall go.再向他们保证我们要去。