1. journey
2. trip
3. expedition
4. to go on long campaign
5. to attack

1. to invite
2. to recruit
3. to levy (taxes)
4. to draft (troops)
5. phenomenon
6. symptom
7. characteristic sign (used as proof)
8. evidence

1. letter
2. mail
3. to trust
4. to believe
5. to profess faith in
6. truthful
7. confidence
8. trust
9. at will
10. at random

classifier: 封