Authorized Version
    But take heed lest by any means this liberty of yours become a stumblingblock to them that are weak.

American Standard Version
    But take heed lest by any means this liberty of yours become a stumblingblock to the weak.

The Bible in Basic English
    But take care that this power of yours does not give cause for trouble to the feeble.

The Darby Bible
    But see lest anywise this your right [to eat] itself be a stumbling-block to the weak.

The Webster Bible
    But take heed lest by any means this liberty of yours should become a stumbling-block to them that are weak.

Young's Literal Translation
    but see, lest this privilege of yours may become a stumbling-block to the infirm,

World English Bible
    But be careful that by no means does this liberty of yours become a stumbling block to the weak.