〈非正式〉 (尤指娱乐时用以增加攀爬或行走难度的)涂油竿。
used to refer to the difficult route to the top of someone's profession
(通向事业顶峰的)艰难路途
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he steadily climbed the greasy pole towards the job he coveted most .为了得到他最渴求的职务,他虽艰难但却稳步地向上爬。