月餅

yuèbǐng

Frequency star

mooncake (traditional Chinese pastry eaten during the Mid-Autumn Festival)

偶然

ǒurán

Frequency star
  1. accidental, chance, coincidental, by chance
  2. occasionally, by accident, unexpectedly

簽證

qiānzhèng

Frequency star
  1. visa (official document permitting entry into a country)
  2. to issue a visa

收集

shōují

Frequency star
  1. to collect, gather, accumulate
  2. to compile, assemble

As in “active, intentional collecting”. See also 累積Frequency star, 聚集Frequency star.