| 挠 |
náo tóu | tricky / problematic / difficult / to scratch one's head (in puzzlement) |
| 挠 |
náo | to scratch / to thwart / to yield |
| 头 |
tóu | head / hair style / the top / end / beginning or end / a stub / remnant / chief / boss / side / aspect / first / leading / classifier for pigs or livestock / CL:个 |
| 头 |
tou | suffix for nouns |