▍原文 Singaporean singer-songwriter JJ Lin shocked fans by revealing at the end of his world tour on Sunday that he was suffering from a "heart problem". Lin, 44, also told concertgoers in Beijing that he feared for the future and sensed the countdown of his career. According to the Department of Health (Hong Kong), the public should engage in at least 2½ hours of moderate-intensity aerobic physical activity, such as brisk walking, throughout the week. ▍語言點 1. singer-songwriter /'sɪnɡərs'ɒŋraɪtə/ n. 唱作人 2. reveal /rɪˈviːl/ v. 透露 3. suffer /ˈsʌfə/ v. 受折磨 4. concertgoer /ˈkɒnsətˌɡəʊə/ n. 常去看演唱會的人，樂迷（people who often go to concerts） · filmgoer n. 影迷 · playgoer n. 舞臺劇迷 · zookeeper n. 動物園管理員 · filmmaker n. 電影制作人 5. countdown /ˈkaʊntdaʊn/ n. 倒計時 6. engage in 參與，從事（某項活動） 7. moderate /ˈmɒdərət/ adj. 適中的，中等的 8. intensity /ɪnˈtensəti/ n. 強度 9. brisk walk 快步走 - ...