He was young and highly suggestible.
当时他年轻，很容易听信他人。
《牛津高阶英汉双解词典》
The hypnotic subject is very suggestible.
受催眠治疗的病人,在精神上是易受影响的.
辞典例句
I did many stupid things when I was young and suggestible.
我年轻时受外界的影响做过不少傻事.
互联网
She's at a suggestible age.
她处于易受影响的年龄.
互联网
"suggestible young minds"