needlessly

不必要地挑衅

used to describe a comment or action that is intentionally annoying or upsetting without good reason

以一种不必要或不需要的方式进行挑衅。

不必要地担心

to feel anxious or troubled about something unimportant or that cannot be changed

为不重要或无法改变的事情感到焦虑或烦恼

遭受无谓的痛苦

to experience pain or distress without any necessity or benefit

在没有任何必要或益处的情况下经历痛苦或困扰

to cause death without a valid or necessary reason