soft spot

1.A tender or sentimental feeling.

弱点：温柔的或伤感的情感

A weak or vulnerable point:

2.弱点：薄弱的或易受伤害的地方：

a soft spot in his defenses.

他防线的薄弱点

3.亲切感；好感

Have a soft spot for/偏爱

定义：have partiality or affection for, have weakness for

对…偏爱；特别爱好某物

例句：

He has a soft spot for puppies, but isn't too fond of grown dogs.

他偏爱小狗，但不太喜欢大狗。