| 通 |
tōng chè | to understand completely |
| 通 |
tōng | to go through / to know well / (suffix) expert / to connect / to communicate / open / to clear / classifier for letters, telegrams, phone calls etc |
| 通 |
tòng | classifier for an activity, taken in its entirety (tirade of abuse, stint of music playing, bout of drinking etc) |
| 彻 |
chè | thorough / penetrating / to pervade / to pass through |