| 忘 |
wàng nián zhī jiāo | (idiom) friends with a significant age gap |
| 忘 |
wàng | to forget / to overlook / to neglect |
| 年 |
Nián | surname Nian |
| 年 |
nián | year / CL:个 |
| 年 |
nián | grain / harvest (old) / variant of 年 |
| 之 |
zhī | (possessive particle, literary equivalent of 的) / him / her / it |
| 交 |
jiāo | to hand over; to deliver; to pay (money); to turn over / to make friends / (of lines) to intersect / variant of 跤 |