She felt her stomach knot with fear.

她感到害怕，心都揪紧了。

《牛津词典》

Among millions of Europeans, the euro-zone crisis inspires stomach-turning fear. Among some British Conservatives, it provokes glee.

数百万欧洲人对欧元区债务危机深感忧虑，而英国保守党中的一些人却在为此窃喜。

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His mind begins enumerating the credit CARDS, the currency, the membership and identification CARDS; his stomach churns with something very like fear.

他开始在脑海里清点装在钱夹里的信用卡、钞票、会员证、身份证等东西。

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But the war seems more distant, the bombing and shelling an occasional interruption rather than a constant thump, gripping the stomach in a permanent spasm of fear.

BBC: Syria: Islamist Nusra Front gives BBC exclusive interview

Then I felt, across the lower part of my stomach, a first faint ripple of fear.

NEWYORKER: History of a Disturbance

Even today, over six decades later, just hearing that long wail of the warning siren on old newsreels and films gives me that same cold knot of fear in the pit of my stomach which I always felt all those years ago.

BBC: Stanley Ross remembers the Blitz