他以前的尝试没有成功的英文

his previous attempts had been unsuccessful

• 他:    he
• 以前:    before; formerly; ...
• 的:    4次方是 The fourth po ...
• 尝试:    try one's hand at
• 没有:    not have; there is ...
• 成功:    success; succeed; ...

例句与用法

1. His previous attempts had been unsuccessful
   他以前的尝试没有成功。
2. His previous att * pts had been unsuccessful
   他以前的尝试没有成功。
3. His previous attempts had been u ucce ful
   他以前的尝试没有成功。
4. His previous attempts had been unsuccessful
   他以前的尝试没有成功