I'll engage for John's behaviour should you decide to employ him.

如果你决定聘用约翰，我愿为他的行为担保。

I'm sorry. It is more than I can engage for.

我很抱歉，这事超出了我的担保范围。

A gamification strategy that is not sufficiently thought through or well tailored to its players may engage people for a little while, but it will not motivate people in the long term.

一个没有经过充分思考或是适配用户需求的游戏化战略可能会在短期内吸引人们的注意力，但从长远来看它不会激发人们的积极性。

"That's the wonderful thing about Earth Day is that it really provides a platform, an opportunity for grassroots organizations and community organizations to really focus on what's happening in their neighborhoods and their homes in their communities, in their businesses and to focus on the priority problems and to engage people maybe for the first time in taking environmental action."

VOA : special.2010.04.21

You would also engage in sports together, and you would develop a camaraderie because you were expected then to be the fighting force for your city, your city-state.

一起参加体育运动，培养友谊,因为他们将成为这座城市，这座城邦的，主要战斗力。

新约课程节选 : 耶鲁公开课

The class just seemed to be a platform for Kagan to throw out random ideas " and the students were never required to engage in any thought."

它看起来就像一场演出,演出内容就是卡刚抛出随机的观点,而学生们从没被要求参与其中“

死亡课程节选 : 耶鲁公开课

(Speaking) "It's the opportunity for these communities to engage with all the guests that are here experiencing the Olympic Games."

VOA : standard.2010.02.23

(NO TRANSCRIPTS) But what caused grief for many gave others a chance to engage in activities not usually seen in the nation's capital.

VOA : standard.2010.02.07

You may have had to choose which candidate to hire for a job, or which vendor your company would engage for a project.

FORBES: Why Keeping Your Options Open Is Really, Really Bad Idea

After all, under the Japan-U.S. Defense Cooperation agreement, Japan's Self-Defense Forces would be allowed to engage for the first time in detailed planning with U.S. forces to meet a range of contingencies, including non-combat support, in the event of conflict in the East Asian region.

CNN: more stories

To engage, for instance, in a radical overhaul of dysfunctional capital markets.

BBC: Has Western capitalism failed?