1 (wiktionary) 2 (zh.wikipedia) 3 (en.wikipedia) 4 (glosbe)

Compounds Expand your vocabulary by studying more complex words built by the 'core words'.

CORE WORDS

HSK 1.0 (1992)
Big5
Gb
Pin
Eng

HSK 2.0 (2010)
Big5
Gb
Pin
Eng

HSK 3.0 (2022)
Big5
Gb
Pin
Eng
5

不時

不时

bùshí
betweentimes, every so often, frequently, somewhile, at any time, every now and then, often
5

偶爾

偶尔

ǒuěr
once in a blue moon, from time to time, hardly ever, every so often, now and again, seldom, infrequently, on occasion, rarely, betweenwhiles, scarcely, unusually, occasionally, sporadically, every now and then, at times, now and then, once in a while