Give no credence and Hang by a thread

Hang by a thread and give no credence are semantically related. In some cases you can use "Hang by a thread" instead a verb phrase "Give no credence".

Hang by a thread verb - Depend on a small thing or be at risk.

Give no credence and hang by a thread are semantically related. Sometimes you can use "Give no credence" instead a verb phrase "Hang by a thread".