Next year he will be old enough to enter first grade, but he won't be admitted to a school.

明年他就要上一年级了，但学校不会收他。

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He knew he was becoming stronger and soon he would be old enough to leave. He was excited by this anticipation and excited about Christmas.

他将会成年，他知道他会变得十分强壮并且很快他就能到离开孤儿院的年龄，对于这个即将到来的事情他非常的期待并且兴奋地等待着圣诞节的到来。

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Parents cannot communicate with children in the same way that they communicate with their spouse because the child may not be old enough to understand.

家长不能与孩子们以同样的方式，他们与配偶沟通，因为孩子可能不再是老足以理解。

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In the front row is a man with glasses who looks old enough to be retired.

VOA: special.2009.08.31

In the blink of an eye, I'll think to myself, they'll be old enough to drive themselves.

WSJ: Dan Zevin: Driving in the Car With Dad

They include high schools on their journey, even though most of the students will not be old enough to vote.

CNN: Saving the vote

The latest report this year projects that there will only be enough revenue to pay about 75% of scheduled benefits after 2033, well before anyone under 40 will be old enough to be eligible for Social Security.

FORBES: What Young People Need To Know About Retirement