頷く

感謝されないのも 頷ける

No wonder she didn't thank me.

話すことができなければ "はい"の時だけ　うなずけ

If you can't speak, try to nod yes or no.

わかったら うなずけ

Nod your head if you understand.

"イエス" の時は うなずけ

You answer my questions by nodding yes or shaking your head no.

分かったら うなずいて

Okay? Nod if you understand what I'm saying.

理解できれば うなずいて

Nod if you understand.

女性が無意識にあんたの真似を始める時 うなずき

You know you got them when they start to unconsciously mimic you.