彼女は腰にベルトを締めた。

she; her; her; girlfriend; sweetheart

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

back; lower back; waist; hips; lumbar region; body (of hair, noodle, paper, etc.); resilience; spring

at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although

belt (waist, seat, etc.); strap; belt; zone; area; drive belt; machine belt

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 tie; to fasten; to total; to sum; to be strict with; to economize; to economise; to cut down on; to salt; to marinate; to pickle; to make sushi adding a mixture of vinegar and salt; to wear (necktie); to put on (necktie)