残り時間があまりなくなってきた。

remnant; residue; remaining; left-over

time; hours

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

remainder; rest; balance; remains; scraps; residue; remnant; not very (with negative sentence); not much; surplus; excess; fullness; too much; more than; over

to be lost (e.g. luggage); to be missing; to be used up; to be run out; to be exhausted; to be consumed; to be reduced to zero; to not occur any more; to disappear (e.g. pain); to be lost (e.g. a dream, confidence)