徒劳无功

To a Friend whose Work has come to Nothing

致一位徒劳无功的朋友

115 September 1913 1913年9月 | 116 To a Friend whose Work has come to Nothing 致一位徒劳无功的朋友 | 117 Paudeen 白丁

fool's errand

徒劳无功的工作

fool 愚人 | fool's errand 徒劳无功的工作 | fool's gold 黄铁矿

the stone of Sisyphus

徒劳无功的事

swim like a stone [谑]沉下去, 不会游泳 | the stone of Sisyphus 徒劳无功的事 | throw [cast] stones at sb. 指责[毁谤, 非难]某人

work to no avail

徒劳无功

200. 退避三舍retreat to avoid a conflict | 201. 徒劳无功work to no avail | 202. 脍炙人口be on everybody's lips

unavailing

无结果的,徒劳无功的

unassuming 不摆架子的,不造作的 | unavailing 无结果的,徒劳无功的 | unbidden 未经请求的,未经邀请的

wild-goose chase

徒劳无功

耿耿于怀 hard feelings | 徒劳无功 wild-goose chase | 笑里藏刀 wolf in sheep's clothing

We wasted all day on a wild-goose chase

我们徒劳无功的浪费了一整天

徒劳无功 wild-goose chase | We wasted all day on a wild-goose chase.我们徒劳无功的浪费了一整天. | 笑里藏刀 wolf in sheep's clothing

draw a blank

落空;徒劳无功

drag one's feet 迟疑不前 | draw a blank 落空;徒劳无功 | draw the longbow 夸海口

to flog a dead horse

徒劳无功

hitting the nail on the head 一针见血 | to flog a dead horse 徒劳无功 | to help a lame dog over the hill 救人之急

They worked without result

他们徒劳无功

They work very hard.他们工作非常努力. | They worked without result.他们徒劳无功. | They're a perfect couple.他们是完美的一对.

photoperiodic response：光周期响应

photoperiodic induction 光周期诱导 | photoperiodic response 光周期响应 | photoperiodism 光期性

Multi-Variate Statistical Analysis：多元统计剖析

311. 多项距阵 Multi-Nominal Matrix | 312. 多元统计剖析 Multi-Variate Statistical Analysis | 313. 发电厂 Power Plant