(prefix indicating ordinal number, as in 第六[di4 liu4] "sixth") / (literary) grades in which successful candidates in the imperial examinations were placed / (old) residence of a high official / (literary) but; however / (literary) only; just
next in sequence / second / the second (day, time etc) / secondary / vice- / sub- / infra- / inferior quality / substandard / order / sequence / hypo- (chemistry) / classifier for enumerated events: time
Second Chinese Character Simplification Scheme (second round of simplified Chinese characters, proposed in 1977 and retracted in 1986) / abbr. to 二簡|二简[er4 jian3]