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

1.
waktu terus berjalan, waktu hampir habis
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 harus segera mengambil keputusan, waktu terus berjalan.
•
With only an hour left before the deadline, the clock was ticking down for the students.
Dengan hanya satu jam tersisa sebelum tenggat waktu, waktu terus berjalan bagi para siswa.