そのパフォーマンスは冴えないものでしたよ。の英語

The performance was low-keyed.

I got nowhere with the work.

Those effects were not enough.

They could not get the play across.

The practice produced virtually no effect.

The musical was far from being a success.

The escalator didn't operate smoothly.

The speech lacked point.

It didn't work as a cushion at all.

The attempt was ineffectual

The attempt was fruitless of results

The attempt was attended with no results.

The strike did not come off.

That lecture didn't have a very good reputation.

He was unsteady on his feet.

The play fizzled out at the end.

Reception of that channel was poor.

The statement was not timely.

The stain on the skirt hasn't washed out.

the field was unplayable

The joke didn't go across.

The tickets were not available for Friday's performance.

Words cannot describe the hardships the expedition went through.

The sarcasm was lost [had no effect] on him.

Those shy animals were rarely seen.

Even Napoleon had no control over it.

The play was so bad (that) I could not see it out.

The Mariners did not do badly, either.

The pump did not act as it should have.

The pump didn't work properly.