strum

1. V-T If you strum a stringed instrument such as a guitar, you play it by moving your fingers backward and forward across the strings. 弹奏 (吉他等弦乐器)

In the corner, one youth sat alone, softly strumming a guitar. 在角落里，一个年轻人独自坐着，轻轻地弹着一把吉他。