Tā tīngdào shàngsī de zhàohuàn, lìkè yīngzhāo ér lái.
Upon hearing his superior's summons, he immediately answered the call.
Tips
usage
应招 primarily means to respond to a summons or call. Note: in some informal contexts 应招 can also carry the meaning of 'to solicit' (sex work context); context determines which meaning applies.
