| 約束HSK 6 | yuē shù | to restrict; to limit to; to constrain; restriction; constraint |
| 約塔 | yāo tǎ | iota (Greek letter Ιι) | |
| 約維克 | yāo wéi kè | Gjøvik (city in Oppland, Norway) |
| 1 | We are going to sign the contract tomorrow. | |
| 2 | Both parties must sign the contract. | |
| 3 | We agreed to meet at the bar. | |
| 4 | Saving water is doing a good deed. | |
| 5 | Let's arrange a time to meet up. |