A vacillating person
三心二意的人
🧩 词语组成解析
a. 犹豫的, 踌躇的
🗣️ 情景例句
I can take the bus to work ...
我可以坐公共汽车上班……
The on-looker sees most of the game.
旁观者清。
On that day everyone eats mooncakes.
过节那天大家都吃月饼。