1 Denmark

1 two-dimensional barcode

2 QR code

1 occasionally

2 once in a while

3 sometimes

1 Celt

1 Harbin, subprovincial city and capital of Heilongjiang province 黑龍江|黑龙江[Hēi lóng jiāng] in northeast China

1 lit. cannot tell beans from wheat (idiom); fig. ignorant of practical matters

1 not more than so-so (idiom); mediocre

2 nothing out of the ordinary

1 old: to reap the consequences of one's words (idiom, from Mencius); modern: to go back on one's word

2 to blow hot and cold

3 to contradict oneself

4 inconsistent

1 standing above the common crowd (idiom); outstanding

2 excellent and unrivaled

1 everyone participates in reforms (idiom)

2 to replace the old with new

3 to reform and start afresh