1、come across

偶然发现;偶然遇见

I came across a group of children playing.

我碰到一群正在玩耍的小孩。

We like to identify and celebrate women's success whenever we come across it.

每当女性取得成功，我们都会表示认同并予以颂扬。

使产生…印象;给人以…的印象

When sober he can come across as an extremely pleasant and charming young man.

没喝醉的时候，他看上去似乎是个极为彬彬有礼、讨人喜欢的小伙子。

He came across very, very well.

他给人的印象非常非常好。

2、survival

生存

companies which have been struggling for survival in the advancing recession.

在日益萧条的经济环境中挣扎求生的各个公司

Ask for the free booklet Debt: a Survival Guide.

可以索要免费小册子《债务：生存指南》。

幸存;存活

If cancers are spotted early there's a high chance of survival.

如果癌症在早期发现的话，存活的几率会很高。

An animal's sense of smell is still crucial to its survival.

动物的嗅觉对其生存仍然至关重要。