like: 成群 → →
成群 [cheng2 qun2] ☊ 
in groups ☊ 
/pullulation/pullulement/fourmilière/ ☊ /pullulation/pullulement/fourmilière/ ☊ 
成群 成群 [cheng2 qun2] ☊ in groups ☊ /pullulation/pullulement/fourmilière/ ☊ /pullulation/pullulement/fourmilière/ ☊