completely useless

例句 (10)

• This old software is completely useless on modern operating systems.这款旧软件在现代操作系统上完全没用。
• Without the correct key, the lock is completely useless.没有正确的钥匙，这把锁就完全没用。
• His advice proved completely useless in solving the problem.他的建议在解决问题上被证明完全没用。
• The broken tool was completely useless for the task at hand.这个坏掉的工具对于手头的任务来说完全没用。
• After the storm, their solar panels were completely useless.暴风雨过后，他们的太阳能电池板完全没用了。
• Trying to argue with him is completely useless; he never listens.试图和他争论完全没用；他从不听。
• She felt completely useless after failing the exam.考试失败后，她感到完全没用。
• The map was old and outdated, making it completely useless for navigation.这张地图又旧又过时，使其对导航来说完全没用。
• All their efforts to save the drowning man were completely useless.他们为救落水者所做的一切努力都完全没用。
• This security system is completely useless if you don't activate it.如果你不激活，这个安全系统就完全没用。