frivolous suit

基本解释

And don't assume that treating yourself to a good haircut or a stylish suit is frivolous.
新发型和时尚衣着并非轻佻，你不需要靠那些去吸引目光。
blog.sina.com.cn
However , a threat to bring a civil lawsuit does not constitute duress unless such a suit is frivolous or brought in bad faith.
那么即使犯罪诉讼是有根据的，但除非这恐吓是轻佻或欺诈则不构成恐吓。
iask.sina.com.cn
Schrager, in a statement, called the suit "frivolous" and blamed decreased tourism from the important market of Japan, which was hit by an earthquake and tsunami earlier this year.
施拉格在一份声明中称该诉讼“无聊可笑”，并将越来越不景气的旅游归咎于重要市场日本的萎缩——该国在今年年初遭遇地震和海啸的袭击。

Asking for millions would make the suit look frivolous, as well.
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Facebook has claimed that the suit is frivolous, but it might opt for a swift settlement to quickly and quietly put an end to the dispute.
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