费力

drag on --- move slowly and with effort; continue endlessly and tediously

缓慢费力地走;拖延

bide one's time ---wait patiently for a chance等待时机 | drag on --- move slowly and with effort; continue endlessly and tediously缓慢费力地走;拖延 | at the cost of ---with the loss of 以......为代价

a thankless effort

费力不讨好

凶多吉少to be fraught with grim possibilities; not a good sign at all | 费力不讨好 a thankless effort | 因地制宜 to take measures suited to local conditions

a thankless job

费力不讨好的工作

棘手的工作 --- a tough job | 费力不讨好的工作 --- a thankless job | 指挥工作 --- to boss the job

toilsome

费力的

toilless 容易的 | toilsome 费力的 | toilworn 工作疲劳的

toilsome

费力的; 劳苦的, 劳累的 (形)

toilette 化妆, 装饰, 打扮 (名) | toilsome 费力的; 劳苦的, 劳累的 (形) | tokay 葡萄酒 (名)

trudge

(在泥地、沙地、雪地里)费力地走

sidle (羞怯或是偷偷地)侧身行走、离开 | straggle 过于缓慢地走(以至于掉队离群) | trudge (在泥地、沙地、雪地里)费力地走

Wade through

费力地读

331. Pick-me-up 提神饮料 | 332. Wade through 费力地读 | 333. Not make heads or tails of 茫无头绪

Wade through

艰难地通过,费力地作完

1018wadev. 跋涉 | 1019wade through艰难地通过,费力地作完 | 1020wagv. 摇摆

Wade through

涉(水, 泥泞等) 费力前进 很吃力地通过... 辛苦地做完[读完]

streamer n.横幅, 长旗, 彩色纸带 | wade through 涉(水, 泥泞等) 费力前进 很吃力地通过... 辛苦地做完[读完]... | renowned adj.有名的, 有声誉的

warm work

劳神费力的工作

4. adjective 暖身的,(由于劳动或运动而)身体发热的 | warm work : 劳神费力的工作 | warm exercise : 暖身的运动;[体育]准备动作

Hilt's law：希尔特煤品级定律

"hillside quarry","山坡石矿" | "Hilt's law","希尔特煤品级定律" | "hindered settling","阻流沈降"

Shaanxi Sunland Automatic Control Co.,Ltd：陕西神洲自动控制有限公司

SHAANXI QINCHUAN MACHINERY DEVELOPMENT CO.,LTD 陕西秦川机械发展股份有限公司 | Shaanxi Sunland Automatic Control Co.,Ltd 陕西神洲自动控制有限公司 | Shan Dong Shuang Yi Group Co.,Ltd 山东双一集团有限公...