in unison with
US /ɪn ˈjuː.nɪ.sən wɪθ/
UK /ɪn ˈjuː.nɪ.sən wɪθ/

1.
与...同时, 与...一致
at the same time; simultaneously
:
•
The choir sang in unison with the orchestra.
合唱团与管弦乐队同时演唱。
•
They moved in unison with each other, like a well-oiled machine.
他们像一台运转良好的机器一样,协调一致地移动。