Correct

坍台

/ tān tái /
Strokes

Example

As a Verb

(of enterprises, etc) collapse; fold up

1
guǒ
如果
shi
  
,
gōng
公司
hěnkuài
很快
jiù
huì
tāntái
坍台
  

If it had not been for him, the company would have folded up/gone bankrupt.

2
Méiyǒu
没有
míngyǎnyuán
名演员
  
,
tuán
剧团
jiùyào
就要
tāntái
坍台
  

The troupe is likely to go out of business without eminent actors or actresses.

As a Verb

fall into disgrace; lose face

3
Dāngzhòng
当众
tāntái
坍台

make a fool/spectacle/show of oneself before others; be disgraced in public; be publicly humiliated; cut a sorry figure before the public