VERB
（通常指因恐惧、疲惫或兴奋而）呼吸急促，通气过度
If someone hyperventilates, they begin to breathe very fast in an uncontrollable way, usually because they are very frightened, tired, or excited.
例句
I hyperventilate when they come near me with the needle.
当他们拿着注射针走近我时，我的呼吸急速加快。