他们打扮得花里胡哨。用英语怎么说？

他们打扮得花里胡哨。

They were not sensibly dressed.

they

pron. 他/她/它们，人们，大家，政府，当局，她们；

例句
The storms had abated by the time they rounded Cape Horn.
他们绕过合恩角时，暴风雨已经减弱。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

not

adv. 不，[用以表示否定、否认、拒绝、禁止等]不是，几乎不，未必，没有[用于否定后面的词或短语]；

例句
It became very clear that the incident was not just an aberration, it was not just a single incident.
事实已经很清楚，这件事不是偶发的，它并不是一起孤立的事件。

sensibly

adv. 明智地，理智地，能感觉得出地，切合实际地；

例句
The problem is that most local authorities lack the expertise to deal sensibly in this market.
问题是大多数地方政府都缺乏合理应对这个市场的专门知识。

dressed

adj. 打扮好的，穿着衣服的，（畜、禽、鱼）剥皮（或去毛、鳞）、去内脏及分割加工好的，动词dress的过去式和过去分词；

例句
She was elegantly dressed with a double strand of pearls about her neck.
她着装典雅，搭配着一条双层珍珠项链。