I may look like a tenderfoot, but I think I can follow a trail or carry a pack if necessary.

我也许看起来像个新手，不过有必要的话我认为我也能跟着上路或扛包。

《柯林斯英汉双解大词典》

If the promised convergence and understanding does not result from the initial set of iterations, then action can be taken to either re-orient the project or, if necessary, cancel it.

如果承诺的沟通以及理解并不能从初始迭代产生，那么将可以采取行动重新指定项目的方向，或是如果需要的话，取消它。

youdao

Having found the most likely existing match through an incredibly clever and speedy statistical reckoning device, Google Translate coughs it up, raw or, if necessary, lightly cooked.

他们发现，通过令人难以置信的聪明和迅速的统计推算装置最有可能现有的比赛中，谷歌翻译咳嗽起来，生的或，如有必要，轻轻熟。

youdao

I might say I touched all the bases if I did what is necessary to complete a job or activity.

VOA: special.2009.04.12

In very severe cases, it can even defile some common objects, and in those cases, the source of impurity might have to be isolated or excluded if necessary.

在一些非常严峻的情况中，它会玷污一些普通的事物，在这种时候，不洁之源,也许只能被孤立，严重的话需要驱逐。

耶鲁公开课 - 旧约导论课程节选

Their staffs analyze the current environment and decide what forces they require to maintain peace, or if necessary, conduct combat operations.

FORBES: Why Does The United States Only Have Eleven Aircraft Carriers?

Albany attorney Tom West is arguing the appeals on behalf of industry and has said he's confident the Appellate Division, or if necessary the highest court, the Court of Appeals, will agree that local bans violate a 1981 state law that says the state's authority to regulate the oil and gas industry supersedes the authority of localities.

WSJ: 3rd NY town wins in court over fracking ban

Under the warranties, Cisco Systems was required to service a malfunctioning part, or, if necessary, replace it.

FORBES: Verizon Fraudster Buys Girlfriend Cosmetic Surgeries From Cisco Parts