the clock is ticking (down)
US /ðə klɑk ɪz ˈtɪkɪŋ (daʊn)/
UK /ðə klɑk ɪz ˈtɪkɪŋ (daʊn)/

1.
masa semakin suntuk, masa berlalu
time is running out; there is not much time left to do something
:
•
We need to make a decision quickly, the clock is ticking.
Kita perlu membuat keputusan dengan cepat, masa semakin suntuk.
•
With only an hour left before the deadline, the clock was ticking down for the students.
Dengan hanya satu jam berbaki sebelum tarikh akhir, masa semakin suntuk bagi para pelajar.