n.

1. 彈指；輕擊
2. 刺激（物）
3. 微不足道的小東西

vt.

1. 彈（指）；輕擊
2. 刺激

vi.

1. 彈指

n.

1. a stimulus or boost.
2. archaic a movement made by bending the last joint of the finger against the thumb and suddenly releasing it.

v.