TAO

tao(1)

tao(2)

tao(3)

讨 = to ask for (but not used as a single-character word)

讨饭 = tao(3)fan(4) = to beg for food

讨厌 = tao(3)yan(4) = 'pain in the neck'

我讨厌他 = wo(3)tao(3)yen(4)ta(1) = I dislike him

tao(4)