Unless you are trying to lose weight to please yourself, it's going to be tough to keep your motivation level high.

除非你在为了让自己开心而努力减肥，否则要保持驱动力很高将很难。

《柯林斯英汉双解大词典》

It's like being a high jumper: you want to keep raising the bar until you knock it down, otherwise you don't know how high you can jump.

就像跳高比赛：在你撞到那条横杆之前你总是会努力让它升得更高，否则你不会知道你到底能跳多高。

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Make sure your rates are high enough to keep you afloat yet reasonable enough for the value you provide.

确保你的比率足够高，可保持你的偿付能力，同时仍能提供合理的价值。

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In fact, if the other person is working hard, or is cutting back on their carbon emissions, you have every bit more incentive to not work hard or to keep high carbon emissions yourself.

实际上,如果其他人正在努力工作,或者正在尽量减少碳排量,你总会有想偷懒的动机,或者总是继续大量排碳

耶鲁公开课 - 博弈论课程节选

To keep this second type from forming, you have to keep the meat moist and avoid high heat that lasts longer than 10 minutes.

NPR: Summer Hazards: Sunburn ... and Barbecue?

Recent research has uncovered the reason why that can be so difficult, and a simple and effective strategy you can use to keep motivation high.

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"You have to keep them up high, like scissors, or prescription drugs, " says Alan Schoem, a lawyer for the company that makes Buckyballs, the leading adult magnet toy on the market.

CNN: Powerful magnets in toys raise risks from swallowing