[和合本] 我就看明 神一切的作为，知道人查不出日光之下所作的事；任凭他费多少力寻查，都查不出来，就是智慧人虽想知道，也是查不出来。
[新标点] 我就看明 神一切的作为，知道人查不出日光之下所做的事；任凭他费多少力寻查，都查不出来，就是智慧人虽想知道，也是查不出来。
[和合修] 我观看 神一切的作为，知道人不能探求日光之下所发生的事；任凭他费多少力探索，都找不出来，智慧人虽说他明白，仍不能找出来。
[新译本] 于是我看见了上帝的一切作为，知道在日光之下所发生的事，人不能查明；尽管人劳碌寻查，总是查不出来；即使智慧人以为知道了，还是查不出来。
[当代修] 思想上帝所做的一切，便知道人无法理解日光之下所发生的事。尽管人努力不懈地去寻找，也不能明白；即使智者自以为明白，他其实仍不能参透。
[现代修] 也不能明白上帝的作为。他无论怎样尝试，想知道在太阳底下所发生的事，也找不到答案。聪明人自以为知道，其实并不知道。
[吕振中] 我就看明上帝一切的作为，知道日光之下所常发生的事、人总不能查出；任凭人怎样劳碌去寻查，就使他昼夜眼都没见过睡觉（系由16节末移此的），他还是不能查出。
[思高本] 我面对天主的一切作为，发觉人决不能知道在太阳下所发生的一切事。人虽然努力研究，终归无法得知；纵然有智者以为知道了，仍是一无所知。
[文理本] 我见上帝之经纶、知人不能测日下所为之事、虽劳而求之、终不能得、智者虽欲知之、亦不能得也、
[GNT] and never be able to understand what God is doing. However hard you try, you will never find out. The wise may claim to know, but they don't.
[BBE] Then I saw all the work of God, and that man may not get knowledge of the work which is done under the sun; because, if a man gives hard work to the search he will not get knowledge, and even if the wise man seems to be coming to the end of his search, s
[KJV] Then I beheld all the work of God, that a man cannot find out the work that is done under the sun: because though a man labour to seek it out, yet he shall not find it; yea farther; though a wise man think to know it, yet shall he not be able to find it
[NKJV] then I saw all the work of God, that a man cannot find out the work that is done under the sun. For though a man labors to discover [it,] yet he will not find [it;] moreover, though a wise [man] attempts to know [it,] he will not be able to find [it.]
[KJ21] then I beheld all the work of God, that a man cannot find out the work that is done under the sun, because though a man labor to seek it out, yet shall he not find it; yea further, though even a wise man think to know it, yet shall he not be able to find
[NASB] and I saw every work of God, I concluded that one cannot discover the work which has been done under the sun. Even though a person laboriously seeks, he will not discover; and even if the wise person claims to know, he cannot discover.
[NRSV] then I saw all the work of God, that no one can find out what is happening under the sun. However much they may toil in seeking, they will not find it out; even though those who are wise claim to know, they cannot find it out.
[WEB] then I saw all the work of God, that man can't find out the work that is done under the sun, because however much a man labors to seek it out, yet he won't find it. Yes even though a wise man thinks he can comprehend it, he won't be able to find it.
[ESV] then I saw all the work of God, that man cannot find out the work that is done under the sun. However much man may toil in seeking, he will not find it out. Even though a wise man claims to know, he cannot find it out.
[NIV] then I saw all that God has done. No one can comprehend what goes on under the sun. Despite all his efforts to search it out, man cannot discover its meaning. Even if a wise man claims he knows, he cannot really comprehend it.
[NIrV] I saw everything God has done. No one can understand what happens on earth. Man might try very hard to figure it out. But he still can't discover what it all means. A wise man might claim he knows. But he can't really understand it either.
[HCSB] I observed all the work of God [and concluded] that man is unable to discover the work that is done under the sun. Even though a man labors hard to explore it, he cannot find it; even if the wise man claims to know it, he is unable to discover it.
[CSB] I observed all the work of God [and concluded] that man is unable to discover the work that is done under the sun. Even though a man labors hard to explore it, he cannot find it; even if the wise man claims to know it, he is unable to discover it.
[AMP] Then I saw all the work of God, that man cannot find out the work that is done under the sun--because however much a man may toil in seeking, yet he will not find it out; yes, more than that, though a wise man thinks and claims he knows, yet will he not be able to find it out. [Deut. 29:29; Rom. 11:33.]
[NLT] I realized that no one can discover everything God is doing under the sun. Not even the wisest people discover everything, no matter what they claim.
[YLT] then I considered all the work of God, that man is not able to find out the work that hath been done under the sun, because though man labour to seek, yet he doth not find; and even though the wise man speak of knowing he is not able to find.