Explanation:

1, nod. Express approval, praise.

Ba Jin's Spring VIII: "Yun Jian nodded and sat down in his seat with a word' good'."

Step 2 nod your head. Say hello.

Flower City 198 13: "(Liu Guoguang) met Jiang Kunda, and he nodded and said hello."

synonym

nod (one's head)

1, head slightly downward. Express permission, approval or understanding, etc.

Lao She's "Four Generations under One Family" May 7: "Four grandfathers! Grandpa four! Nothing can be done without you! You say a word, everyone nods, and others say it's useless to break their mouths! "

2. Say hello.

He Qing Bangor's "Night Talk on the Year Record Cui Xiucai": "I will try my best, and it is also troublesome to nod."

When Tang selected the winner, the examiner nodded his name with a red pen.