他对她在会议期间的不友好感到惊讶。

He was taken aback by her ___coolness during the meeting.

她的不友好被解读为自信的表现。

Her ___coolness was interpreted as a sign of confidence.

他对新员工的不友好让他们感到不受欢迎。

His ___coolness towards new employees made them feel unwelcome.