厄克特先生使用假名，警察的调查受阻。

Police have been hampered by Mr. Urquhart's use of bogus names.

《柯林斯英汉双解大词典》

她们使用假名有着双重的目的。

Using the pseudonyms has a two-fold purpose.

youdao

有时为了交易的顺利进行，我都到了使用假名的地步了。

It got so that I had to give a fictitious name.

youdao

One thing that he always did when he went on his grand tour is he always took fake names, as if he was signing into a hotel as Mr. and Mrs. John Smith.

当他环游西欧时,他常常使用假名,就好像入住酒店时登记用"张三"或"李四"做名字一样

耶鲁公开课 - 欧洲文明课程节选