soft spot 是为什么事情动心的意思吗？

应该也可以吧...
感觉更多感情上的软肋...就是那种和容易被击沉的感觉....

给你三个句子
I have a soft spot for my old school.
我对母校怀有眷恋之情。
He has a particular soft spot for old neighbors.
他对老乡亲心肠特别软。
I' ve always had a real soft spot for him.
我一向对他挺有好感.

指感情上的弱点(易受打动的一点)

例句与用法:
My grandfather left me a gold watch in his will, but then he always had a soft spot for me.
我祖父在遗嘱中将一只金表遗赠给我，他总是特别喜爱我。
I've always had a real soft spot for him.
我一向对他挺有好感.

也有这个意思
还可解释为 对……有好感

是弱点的意思

容易打动的意思吧。combination the context ,you can understand deeply.