A ghastly thought occurred to Tom.

汤姆突然有了一个可怕的想法。

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A ghastly stage-fright seized him, his legs quaked under him and he was like to choke.

一种可怕的怯场感攫住了他，他两腿发抖，几乎要窒息了。

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When he heard the news, his face took on a ghastly expression.

他听到这个消息，脸色变得很难看。

《新英汉大辞典》

Something has to be done, and quickly, or we'll be passing along to our heirs a ghastly wreck of a planet.

CNN: Cold snap beautiful--and ominous

Wheelchair users prefer a ghastly modern bus they can board to a romantic old one they can't.

ECONOMIST: The end of the road for London's most famous bus

In what can only be described as a ghastly oversight, Nikon doesn't allow the WMAU app to control any of the settings.

ENGADGET: Nikon WU-1a wireless mobile adapter for D3200 review: using Android as a remote trigger / wireless display