"引人注目的高姿态" can be translated into English as "a conspicuous and high-profile stance" or "an eye-catching and dignified demeanor", depending on the specific context and intended nuance.
"Conspicuous and high-profile stance" emphasizes the visibility and prominence of the attitude or position.
"Eye-catching and dignified demeanor" focuses more on the impressive and respectable appearance or manner.
Choose the phrase that best fits the context of your sentence.