English Standard Version
because sometimes a person who has toiled with wisdom and knowledge and skill must leave everything to be enjoyed by someone who did not toil for it. This also is vanity and a great evil.

American Standard Version
For there is a man whose labor is with wisdom, and with knowledge, and with skilfulness; yet to a man that hath not labored therein shall he leave it for his portion. This also is vanity and a great evil.

Berean Study Bible
When there is a man who has labored with wisdom, knowledge, and skill, and he must give his portion to a man who has not worked for it, this too is futile and a great evil.

Douay-Rheims Bible
For when a man laboureth in wisdom, and knowledge, and carefulness, he leaveth what he hath gotten to an idle man: so this also is vanity, and a great evil.

English Revised Version
For there is a man whose labour is with wisdom, and with knowledge, and with skilfulness; yet to a man that hath not laboured therein shall he leave it for his portion. This also is vanity and a great evil.

King James Bible
For there is a man whose labour is in wisdom, and in knowledge, and in equity; yet to a man that hath not laboured therein shall he leave it for his portion. This also is vanity and a great evil.

World English Bible
For there is a man whose labor is with wisdom, with knowledge, and with skillfulness; yet he shall leave it for his portion to a man who has not labored for it. This also is vanity and a great evil.

Young's Literal Translation
For there is a man whose labour is in wisdom, and in knowledge, and in equity, and to a man who hath not laboured therein he giveth it -- his portion! Even this is vanity and a great evil.

Ecclesiastes 2:21 Additional Translations ...