loom ： if something unpleasant or difficult looms, it seems likely to happen soon
loom:
1）以庞然大物的形状出现在前面,如：Suddenly a mountain loomed up in front of them.
2）与一些有负向意义的词做主语，比如 “crisis” “problem” “threat” “danger”，表示“出现在人们心目中，既重大又令人惊恐不安”。
3）表示“迫在眉睫”、“一触即发”。
4） 常和 large 搭配使用，表示“（问题、忧虑和威胁等）挥之不去，萦绕心中”、“心病”。
例句：
A crisis is looming.
Another financial crisis is looming.
As the company grows, a number of potential problems loom.
The Gaokao, China's college entrance exam, looms large in the life of almost every Chinese student.
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作业
1）翻译：人们开始担心人工智能的发展。
The development of artificial intelligence looms large in people.
（参考翻译：As artificial intelligence advances, concerns loom.）
2）场景：身体问题成为他的一块心病
The problem of health looms large in him.
