[---]

Jyutping jat1 jung2 ji4 jap6
Pinyin yī yǒng ér rù

Definitions (Wiktionary)
  1. phrase, idiomatic
    to swarm in

[---]

Jyutping jat1 jung2 ji4 jap6
Pinyin yī yōng ér rù

Definitions (CC-CEDICT)
  1. to swarm in (of people etc) (idiom)