Just be ready should others call upon you for leadership or guidance.

做好准备，别人可能会需要你的领导和指点。

youdao

Some day, and that day may never come, I will call upon you to do me a service in return.

某天，但那天可能永远不会来，我会召唤你给我帮忙作为回报。

youdao

Some day, and that day may never come, I would like to call upon you to do me a service in return.

将来，也许那天也不一定到来，我会找你帮忙作为你的回报。

youdao

We cannot find them. Today I call upon you to travel a new trail.

VOA: special.2010.04.08

Accordingly, we call upon you and your colleagues to complete action on the conference report at once.

CENTERFORSECURITYPOLICY: 50 Patriot Act supporters warn against Act's lapse

'We shall all send our friends to call upon you!'

NPR: Excerpt: 'An Infamous Army'

When you build a warehouse of stillness within, you can call upon that calm in the midst of chaos.

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