It was difficult to maintain a secure foothold on the ice.

在冰上不容易站稳脚。

《牛津词典》

Mathematical knowledge was certain and offered a secure foothold in a morass.

数学知识是确定无疑的，它给人们在沼泽地上提供了一个稳妥的立足点。

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It may be many years before the new company can gain a secure foothold in the market.

也许要经过若干年这家新公司才能在市场上取得稳固的立足点。

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Elsewhere, a round of analyst applause could also help DENN secure a foothold atop long-term resistance.

FORBES: Contrarian Plays For Profit In Domino's, Buffalo Wild And Denny's

Hampshire had to work hard to secure a first-day foothold after a tricky afternoon session against the home side's young seamers.

BBC: Pothas gives Hampshire early edge