征兆

omen / sign (that sth is about to happen) / warning sign

journey / trip / expedition / to go on long campaign / to attack

to invite / to recruit / to levy (taxes) / to draft (troops) / phenomenon / symptom / characteristic sign (used as proof) / evidence

(bound form) omen / to foretell / million; mega- / (Tw) trillion; tera- / (old) billion