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Chinese dictionary
derogwork to no avail; make a futile effort; work fruitlessly
她的一切努力都徒劳无功。
All her efforts got her nowhere.
他挽救儿子生命的徒劳无功之举
his vain attempt to save his son's life
antonym
她的一切努力都徒劳无功。
All her efforts got her nowhere.
他挽救儿子生命的徒劳无功之举
his vain attempt to save his son's life