どれくらい息をとめていられますか。

which (of three or more); whichever; any; well; now; let me see

approximately; about; around; or so; to (about) the extent that; (almost) enough that; so ... that ...; at least; as ... as ...; like

breath; breathing; tone; mood

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 stop; to turn off; to park; to prevent; to suppress (a cough); to hold back (tears); to hold (one's breath); to relieve (pain); to stop (someone from doing something); to dissuade; to forbid; to prohibit; to notice; to be aware of; to concentrate on; to pay attention to; to remember; to bear in mind; to fix (in place); to fasten; to tack; to pin; to nail; to button; to staple; to detain; to keep in custody

indicates a question (sometimes rhetorical); or; whether or not; some- (e.g. something, someone); indicates doubt, uncertainty, etc.; emphatic prefix; suffix forming adjectives or adverbs; in that way