unfaithful

adj.

不忠实的；不正直的；（翻译等）不可靠的；不贞洁的

1. People do not like an unfaithful child.
   人们不喜欢不诚实的孩子。
2. Her husband is unfaithful to her.
   她的丈夫对她不忠。
3. A lot of people divorce because one person is unfaithful to the other.
   许多人离婚是因为一方不忠实于另一方。

PI3K and AKT: Unfaithful Partners in Cancer
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IJMS, Vol. 16, Pages 21138-21152: PI3K and AKT: Unfaithful Partners in Cancer
But She Was Unfaithful: Benevolent Sexism and Reactions to Rape Victims Who Violate Traditional Gender Role Expectations
BCR/ABL oncogenic kinase promotes unfaithful repair of the reactive oxygen species-dependent DNA double-strand breaks
BCR/ABL oncogenic kinase promotes unfaithful repair of the reactive oxygen species鈥揹ependent DNA double-strand breaks
The Realness of Cybercheating Men's and Women's Representations of Unfaithful Internet Relationships