徒劳的

e.g.: She closed her eyes tightly in a vain attempt to hold back the tears

他紧闭双眼,却无法忍住眼泪

2) that does not produce the result you want 徒劳的;枉... | e.g.: She closed her eyes tightly in a vain attempt to hold back the tears. 他紧闭双眼,却无法忍住眼泪. | IDM in vain: without success 枉费心机...

kill the fatted calf

热情款待

3. kick against the pricks螳螂挡车;徒劳的抵抗. | 4. kill the fatted calf热情款待. | 5. knock and it will be open叩门,就给你开门.

furl

卷收

furitless 徒劳的 | furl 卷收 | furlong 浪

fuss

大惊小怪

fusion 熔解 | fuss 大惊小怪 | futile 徒劳的

he is second to none

他是一流的

it is in vain 徒劳 | he is second to none 他是一流的. . . in tennis | that's something 真了不起

white mule

酒

when sb.'s ship comes in/home 事业发达时,期望实现时 | white mule 酒 | wild-goose chase 徒劳的搜索,无益的举动

alepidote

无鳞的

reactor fuel pellet [核]反应堆燃料芯块 | alepidote 无鳞的 | much cry and little wool 徒劳, 雷声大雨点小

with one's back to the wall

处境艰难

wild-goose chase 徒劳的搜索,无益的举动 | wipe off 擦去,洗刷,勾销 | with one's back to the wall 处境艰难

ball and chain

铁球铁链,甜蜜的枷(老婆)

backfire逆火(弄巧成拙,适得其反) | ball and chain 铁球铁链,甜蜜的枷(老婆) | beat a dead horse 鞭打死马令其奔驰(徒劳)

ball and chain

铁球、铁链,甜蜜的加锁(老婆)

backfire 逆火(弄巧成拙,适得其反) | ball and chain 铁球、铁链,甜蜜的加锁(老婆) | beat a dead horse 鞭打死马令其奔驰(徒劳)

of a composite function：复合函数之导数

Derivative :导数 | of a composite function :复合函数之导数 | of a constant function :常数函数之导数

enriched lake：富营养湖

LRPA Long-Range Patrol Aircraft 远程巡逻飞机 | enriched lake 富营养湖 | bang it about 决胜负 诉诸武力