“不再信任”常见的英文表达有 “no longer trust” 或 “lose trust in” 。
no longer trust：强调信任状态的终止，侧重于描述从有信任到无信任的转变过程。例如：I no longer trust him after what he did.（在他做了那些事之后，我不再信任他了。）
lose trust in：更突出信任的丧失这一结果，重点在于“失去”这个动作。例如：She has lost trust in her colleague due to his repeated dishonesty.（由于同事一再不诚实，她已经对他失去了信任。 ）