月球的球球
参考：1.[美口]逢场作戏,凑凑热闹goalongfortheride2.看热闹spectate，看热闹的人为spectators或onlookers路上看热闹的人熙熙攘攘。Theroadisalivewithlookerson.
藏青妹妹
内行看门道，外行看热闹这个以前看到过相关的表达，大致如下:The insider knows the ropes, while the outsider just comes along for the ride.// know the ropes 知道诀窍// come along for the ride 凑热闹，看热闹
小狸露宝1234
lively，bustling with noise and excitement，liveliness，jollification，hot up。这五个都可以。
延伸:（热闹的景象） a scene of bustle and excitement
a noisy and amusing show
a thrilling sight
凑热闹: add trouble to
看热闹: watch the scene of
