This is not necessarily a bad thing.

这并不定是什么坏事。

Blue light isn't necessarily bad for us.

蓝光不定对我们有害。

Participating doesn't necessarily involve a huge time commitment.

参加并不定意味着要投入很多时间。

That is not necessarily something to lament.

这不定是件值得哀叹事情。

But despair is not necessarily the only difficulty.

但绝望并不定是唯难。

But that's not necessarily a bad thing.

但这必是件坏事。

High water is not necessarily a bad thing.

水位高不定是件坏事。

We wouldn't call them different colors necessarily.

我们不定会称它们为不同颜色。

But even though epigenetic changes are sticky, they're not necessarily permanent.

但是即使表观基因变异是令人不满，它们不是永久。

Organic pesticides are not necessarily safer than conventional ones.

有机农药不定比传统更安全。

The answer isn't necessarily about what you think.

答案不定取决于你想法。

And these are not necessarily big time, rich actors.

而这些演员不定都是大牌或是有钱演员。

Do you paraphrase well and avoid repeating words necessarily?

你是否能很好转述，避免定要重复单词？

These words aren't necessarily physically difficult to say.

这些词对身体来说并不难说。

Hats aren't necessarily the easiest things to buy online.

在线上商品中，帽子不定是最容易购买东西。

And it's not necessarily the items you had expect.

这并不定是你所期望。

Or just emergencies, not necessarily angry ones.

或者只是紧急情况，不定是愤怒。

Don't worry. It's not necessarily a bad thing.

不用担心。这并不定是坏事。

A community for poets is not necessarily other living poets.

诗人社区不定是其他活着诗人。

It happens, but it's not necessarily a bad thing.

这是常有事，但不定是坏事。