1. You get anxious when you think of certain people or get stressed at the thought of running into someone in an otherwise completely nonthreatening situation.

当你想到特定的人会感到焦虑，或是会平白无故地担心自己会撞到谁。

2. Even when issues have come up in the course of implementation, DeSutter said, the ensuing dialogues always have been carried out in a professional, serious and nonthreatening manner.

德萨特说，即使在执行过程中出现问题，随后开展的对话总是以专业化、严肃和非威胁的方式进行。

3. Led by Apollo 9 astronaut Rusty Schweickart, the foundation has proposed a mission to a nonthreatening asteroid to test whether gravity from a hovering spacecraft could shift the asteroid's orbit.

由阿波罗9号宇航员拉斯特·施韦卡特领导的这个基金会提出可以进行一次试验，看看对于一颗没有威胁的小行星，采用飞船绕其飞行，能否借助飞船的引力改变小行星的轨道。