他们听着听着不觉哈哈大笑起来的英文

as they listened they burst into laught er

• 他们:    they
• 听:    hear; listen
• 着:    wear; dress
• 不觉:    without one's know ...
• 哈哈大笑:    laugh heartily; la ...
• 起来:    stand up; sit up; ...

例句与用法

1. As they listened they burst into laughter
   他们听着听着不觉哈哈大笑起来。