be undisturbed by somethingnot upset or worried by something 镇定地面对某事,泰然自若地面对某事 Mark seemed undisturbed by her threats. 马克似乎对她的威胁无动于衷。
be undisturbed by something• Looking down from the balcony on to the terrace, she observed that the cat was undisturbed by the gulls.
→ be undisturbed by something at undisturbed(1)