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useless
useless to do sth
useless doing sth
无用的；无效的；无价值的
This pen is useless.
这支笔没用了。
He knew it was useless to protest.
他知道抗议是徒劳的。
It's useless worrying about it.
为这事担心无济于事。
She tried to work, but it was useless (= she wasn't able to).
她很想做事,但力不从心。
predict
预言；预告；预报
同义词：forecast
a reliable method of predicting earthquakes
预报地震的可靠方法
Nobody could predict the outcome.
谁也无法预料结果如何。
doom
doom sb to sth
doom sth to sth
使…注定失败(或遭殃、死亡等)
The plan was doomed to failure.
这个计划注定要失败。
The marriage was doomed from the start.
这桩婚姻从一开始就注定要破裂。
