HSK 6
不时
bùshí副名
from time to time; now and then; occasionally; frequently
会议中他不时看看手表。
Huì yì zhōng tā bù shí kàn kàn shǒu biǎo.
He glanced at his watch from time to time during the meeting.
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New in the HSK 3.0 word list at level 6.