You should check your bicycle before you ride it.

你在骑自行车之前应该检查一下。

youdao

And if candidate nodes already have hashcash installed (but not some custom software tool), answering a hashcash challenge can act as a sort of "you must be this tall to enter this ride" style check.

如果参与节点已经安装了hashcash(而不是一些定制的软件工具)，那么，对hashcash质询的回答就可以作为一种“必须达到某种高度才能登堂入室(you must be this tall to enter this ride)”风格的校验。

youdao

Organizer 1: you're Numbers 23 and 24. Now you must check your bikes. Always check the tires before you ride. Never ride with a flat tire.

组织者1：你们分别是23号和24号。现在你们必须检查你们的自行车。在骑行之前要反复检查轮胎。不要骑瘪了气的轮胎。

youdao

Ulring and his wife, Libby, gave me the best horsemanship instruction I've ever had, then let me ride along to check on newborn calves and move cattle to fresh pastures.

FORBES: True West

Investors looking to ride these coattails might want to check out the Market Vectors Steel ETF ( SLX).

FORBES: Dissecting The Forbes Honor Roll Using ETFs

Forsaking the after-lunch trail ride, I went instead to check out the FarmStead's charcuterie and creamery, my first glimpse of Blackberry's serious commitment to producing its own artisanal foods, which embraces its extensive farm gardens, plus its own butcher, bakers, jam-maker and chocolatier.

FORBES: Weekend in the Country