I was thrown off guard.
Fuiuchi o kuu.
indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.
to eat; to live; to make a living; to survive; to bite; to sting (as insects do); to tease; to torment; to taunt; to make light of; to make fun of; to encroach on; to eat into; to consume; to defeat a superior; to threaten a position; to consume time and-or resources; to receive something (usu. an unfavourable event); to have sexual relations with a woman, esp. for the first time