Translation

• readily
• flatly (deny, admit and so on)
• a mouthful
• a bite

Examples

• 我们都舒了一口长气。
  We all breathed a big sigh of relief.
• 她鬆了一口气。
  She gave out a sigh of relief.
• 我们看见远处传来了一点光，不禁都鬆了一口气。
  We felt relieved when we saw a light in the distance.
• 她听到那个消息，失望地叹了一口气。
  When she heard the news, she sighed disappointedly.