1. to go through
2. to know well
3. (suffix) expert
4. to connect
5. to communicate
6. open
7. to clear
8. classifier for letters, telegrams, phone calls etc

1. (bound form) way; reason; principle
2. (bound form) a skill; an art; a specialization
3. (Daoism) the Way; the Dao
4. to say (introducing a direct quotation, as in a novel)
5. (bound form) to express; to extend (polite words)
6. classifier for long thin things (rivers, cracks, shadows etc), barriers (walls, doors etc), questions (in an exam etc), commands, courses in a meal, steps in a process
7. (old) circuit (administrative division)

classifiers: 條, 股