If someone is impressionable, new ideas and strong people go into them easily. Their mind is still soft, so a teacher, a film, a friend, or an advert can leave a mark.

If someone is如果一個人 impressionable容易受影響 new ideas and strong people新的想法和強勢的人 easily很容易 go into them進入他們 Their mind is still soft他們的心還是很軟 so a teacher, a film, a friend, or an advert所以一位老師、一部電影、一個朋友，或一則廣告 can leave a mark都能留下痕跡

We say this most about children and teenagers, and we often say it with a little worry: “Don’t show that to him — he’s at an impressionable age.” Adults can be impressionable too, but the word then can sound a bit unkind, as if they should know better.

We say this most about children and teenagers我們最常用這個字說小孩和青少年 and we often say it with a little worry而且常常帶著一點擔心說 “Don't show that to him — he's at an impressionable age.”「別讓他看那個——他正處在容易受影響的年紀。」 Adults can be impressionable too大人也可能容易受影響 but the word then can sound a bit unkind但這時候這個字聽起來會有點不客氣 as if they should know better好像在說他們應該更懂事才對

It does not mean “good at impressing other people”. That is impressive. Impressionable is the other direction: you receive the impression; you do not give it.

It does not mean這個字不是指 “good at impressing other people”「很會讓別人印象深刻」 That is那是 impressive這個字的意思（令人印象深刻） Impressionable is the other directionimpressionable則是相反的方向 you receive the impression你是接收印象的人 you do not give it不是給出印象的人

Though actually, everyone is impressionable sometimes — the first week in a new school, a first love, a first job.

Though actually不過其實 everyone is impressionable sometimes每個人都會有容易受影響的時候 the first week in a new school, a first love, a first job像是新學校的第一週、初戀，或第一份工作

The word is slightly formal; in casual talk people say “easily influenced” or “takes things to heart”.

The word is slightly formal這個字有點正式 in casual talk口語裡 people say大家會說 “easily influenced”「easily influenced」（容易被影響） or或是 “takes things to heart”「takes things to heart」（把事情放在心上）