knee-jerk

1. ADJ If you call someone's response to a question or situation a knee-jerk reaction, you mean that they react in a very predictable way, without thinking. 未經考慮做出的[ADJ n] [表不滿]

The knee-jerk reaction to this is to call for proper security in all hospitals. 對此類狀況的第一反應是要求所有毉院都採取相應的安全措施。