多心: oversensitive, suspicious...
琴: zither; a general name for certain musical instruments...
真心: sincere, heartfelt...
频率: frequency...
情侣: sweethearts, lovers...
输: to lose, to transport, to donate, to enter (a password)...
马: horse, horse or cavalry piece in Chinese chess, knight in Western chess...
书店: bookstore...
紊乱: disorder, chaos...
装备: equipment, to equip, to outfit...
