[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词](通常指年轻人)易受影响的,无主见的,无判断力的 Someone who is impressionable, usually a young person, is not very critical and is therefore easy to influence.
The law is intended to protect young and impressionable viewers.
该法律意图保护那些年轻且无判断力的电视观众。
...seven years old, which is apparently the age at which you are most impressionable.
7 岁,明显是一个最易受人影响的年龄
Oxford
im·pres·sion·able/ɪmˈpreʃənəbl; NAmEɪmˈpreʃənəbl/adjective(of a person, especially a young one 人,尤指年轻人)easily influenced or affected by sb/sth 易受影响的◆children at an impressionable age处于易受外界影响的年龄的儿童im·pres·sion·able/ɪmˈpreʃənəbl; NAmEɪmˈpreʃənəbl/