形 light，small in number, degree, etc.，not important，relaxed；副 gently，softly，lightly，rashly；动 （轻视） belittle，make light of ；

[例句] 她跪了下来，轻吻迈克尔的脸颊。 She knelt and brushed her lips softly across Michael's cheek.

[例句] 她走上前拥抱他并轻抚他凌乱的白发。 She walked forward and embraced him and stroked his tousled white hair.