lightly
Adv 轻轻地, 少许, 不费力地

We held each other's eyes, and I understood, when she leaned in and kissed me lightly, that she'd misread my sullenness.
我们定定地看着对方的眼睛。她凑过来，轻轻吻了我一下。我明白她误解了我的沉默。;