切勿因小失大。

Do not throw out the baby with the bath water.

我们不能因小失大。

We can't risk big things for the sake of small ones.

禁止在办公室打私人电话其实不能减少多少开支；反而是因小失大。

Forbidding private phone calls in the office cannot really reduce the company's expenses; it's just being penny wise and pound foolish.

在我们制造车间新近的扩建工程中，我们可不能过份吝啬，因小失大。

Let's not be penny-wise and pound-foolish in the new expansion of our production plant.

这只老式的松木梳妆台已被整修一新，但装上这些不值钱的塑料拉手后，它似乎显得不伦不类，真是因小失大。

The old pine dresser had been lovingly restored but they spoiled the ship for ah'porth of tar by fitting it with cheap plastic handles.