随时
suí​shí HSK2

at any time

随时 隨時 suí​shí
at any time adverb
at any time; at all times; at any moment

他的心随时可能停止。

tā de xīn suí​shí kě​néng tíng​zhǐ.

His heart could stop at any moment.

他们随时都可能找到我们。

tā​men suí​shí dōu kě​néng zhǎo dào wǒ​men.

They could find us at any moment.

whenever necessary
whenever necessary; as the occasion demands; at the right time
to adapt
(literary) to adapt to the times or circumstances

Frequency
Movie subtitles
60.7 per million appears in 25% of films
Written text
45.0 per million

Details
HSK 2.0
Level 5
HSK 3.0
Level 2

Cross-References

Antonym

Sources
Frequency data
SUBTLEX-CHBCC Corpus (BLCU)