Her voice trailed off ineffectually.

她的声音渐渐微弱得听不见了。

《柯林斯英汉双解大词典》

Her love was a fire playing ineffectually over a rock of basalt.

她的爱，如同一团火，徒劳地烧炼着一块玄武岩石。

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It would compete ineffectually within the market if one undertaking relies on its own resources alone.

如果一个企业只依赖自身的资源，那么这个市场将会完完全全的无效率。

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Someone, after all, will have to make those painful decisions New Yorkers go on ineffectually talking about.

ECONOMIST: New York city

But they are unlikely to experience once more Eldorado's long-suffering Pilar Moreno ineffectually berating caddish boyfriend Marcus Tandy with cries of "Marrrr-coos".

BBC: Could Eldorado make a comeback?

Nothing is ironed, and there is a faint stain on the skirt that is yesterday's lunchtime soup ineffectually rubbed off with a Kleenex.

ECONOMIST: Liz Claiborne