スーツケースに紐を縛りつけなさい。

suitcase

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

string; cord; man who is financially dependent on a woman (such as a gigolo or, in the case of a prostitute, a pimp); pimp

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 restrain; to confine; to bind; to fasten

to do