He just sigh a sigh of relief, said nothing.

他只是喟了一口气，什么也没有说。

youdao

He heaved a deep sigh; a long, long, long sigh.

他长叹一声；一声很长很长很长的叹息。

youdao

You must remember this, a kiss is still a kiss, a sigh is just a sigh; The fundamental things apply, As time goes by. — Herman Hupfeld.

你一定要记住这点，一个亲一吻仍然是一个亲一吻，一个叹息就是一个叹息。时光流转，这是万物不变的基本法则。- - -赫尔曼。

youdao

This holiday shortened first trading week of 2013 comes to a close with investors breathing a sigh of relief that a fall off the fiscal cliff did not occur.

FORBES: Weekly Market Wrap

This twelfth trading week of 2013 comes to a close with investors breathing a sigh of relief as a banking deal between Greece and Cyprus emerged that eased fears of a financial meltdown on the island.

FORBES: Weekly Market Wrap

Ms. Heller, 36, is CEO of the invitation-only social network, which began nine years ago as a site where fancy people could trade tips on art openings in London or samba nights in Reykjavik. ("Facebook for the few, " as Ms. Heller put it with a sigh.) An invitation to A Small World was once highly coveted, but the site's social currency has waned in the Twitter age.

WSJ: Q&A With A Small World CEO Sabine Heller | On the Road