| to understand clearly |
| to read fast |
| to do evils in collusionto do evil things together |
| to proceed smoothly when travelling
to make progress smoothly |
| delicate dictionextremely high-valued |
| a narrow surface of the river
to be contiguous to |
| to become intimate at the first meeting |
| to compete against |
| without any change |
| the fuction of speech
to keep promises |