going on
adverb, preposition uk/ˈɡəʊ.ɪŋ ˌɒn/ us/ˈɡoʊ.ɪŋ ˌɑːn/
informal (UK also going on for)接近（某个数目、年龄、时间或数量）
nearly or almost (a particular number, age, time, or amount)
It was going on midnight when we left the party. 我们离开聚会时都快午夜了。
There were going on 200 people at their wedding. 有近200人参加他们的婚礼。
humorous实际上…岁，行为举止却像…岁
used for saying that someone behaves like a much older person
"How old is Brian?" "30 going on 50." “布赖恩多大了？”“30，但看上去却有50了。”