形容词
中文翻译：无用的
同义词：
['worthless', 'ineffective', "futile例句：1. The old car is completely useless for driving now.（这辆旧车现在完全不能用了。）2. The plan was worthless because it didn't work out as expected.（这个计划毫无价值，因为它没有按预期进行。）3. The new software is a complete waste of time and money.（新软件完全是浪费时间和金钱。）"]
例句：
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1. The old car is completely useless for driving now.
这辆旧车现在完全不能用了。
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2. The plan was worthless because it didn't work out as expected.
这个计划毫无价值，因为它没有按预期进行。
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3. The new software is a complete waste of time and money.
新软件完全是浪费时间和金钱。