walk a tightrope

walk a tightrope  {v. phr.}
To be in a dangerous or awkward situation where one cannot afford to make a single mistake.
"When we landed on the moon in 1969," Armstrong explained, "we were walking a tightrope till the very end."
Categories: verb

An client error occurred: Error calling GET https://www.googleapis.com/youtube/v3/search?part=id%2Csnippet&q=%22walk+a+tightrope%22&maxResults=4&videoEmbeddable=true&videoSyndicated=true&safeSearch=strict&type=video&key=AIzaSyCfLRuAZZNAQm6a5uDzgY-Tt668bxsppCs: (403) The request cannot be completed because you have exceeded your <a href="/youtube/v3/getting-started#quota">quota</a>.