They were not fighting men, and their harp was their passport.
他们不是作战人员，竖琴就是他们的通行证。
新概念英语第四册 Lesson 9 Royal espionage

📚 句中词汇解析

从本句中提取的重要词汇

passport ['pæspɔrt] 词频2 词根: port
n. 护照，通行证;手段;
💡 pass通过+port港口→通过港口的凭证→护照
"Check the expiration date on your passport."
检查一下你护照上的截止日期。
fighting
a. 战斗的, 容易引起争斗的, 适于格斗的, 好斗的, 好战的, 斗争的, 搏斗的\\nn. 战斗, 斗争, 搏斗
近义：quarrel, row, rumpus, scene, scrambling, scrap
harp [hɑ:p] 词频2
n. 竖琴;竖琴状的东西;[天]天琴座;<美俚>爱尔兰人; vi. 弹竖琴;唠叨，喋喋不休;不停地说;
"She swept her fingers over the strings of the harp."
她用手指划过竖琴的琴弦.

📚 更多「新概念英语第四册」例句

the king himself set out to penetrate the camp of Guthrum, the commander of the Danish invaders.
他亲自潜入丹麦入侵司令官古瑟罗姆的营地。
and so on up to the size of the globe.
如此等等，一直到全球的范围。
Sometimes ago, the United States Navy, for instance,
例如，美国海军前些时候
but a medicine that had worked so well in one form of illness would surely be of equal benefit in another,
只知道一种药对一种病有好处，肯定对另一种病也会有好处。
It is always wiser and safer to face up to reality,
遇事采取面对现实的态度总是比较明智和稳妥的，
Drinks can be cooled by placing them on ice rather than adding ice to them.
可以把饮料置于冰块之上来冷却，而不是把冰块加进饮料之中。