He felt his head jerk reflexively.

他感到自己的头部突然反射性的抽动。

《柯林斯英汉双解大词典》

Putin's world view is reflexively anti-western.

普金有条件反射式的反西方的世界观。

youdao

If you reflexively say yes to taking on extra work, you may live to regret it.

如果你违反本能去选择更多的工作量的话，你一定会后悔。

youdao

But maybe they're just being reflexively protective and the White House really has nothing to hide.

WSJ: Best of the Web Today: Why Did Lois Lerner Take the Fifth?

But his weakest spot is foreign policy, where he is not thoughtful but reflexively hard-line.

WSJ: Romney Wins but Takes a Beating

They reflexively rejected a sensible plan simply because it was backed by the president.

CNN: Our stupid self-inflicted debt crisis