| 阻挠 | zǔ náo | to thwart; to obstruct (sth) | |
| 不屈不挠 | bù qū bù náo | unyielding; indomitable | |
| 百折不挠 | bǎi zhé bù náo | to keep on fighting in spite of all setbacks (idiom); to be undaunted by repeated setbacks; to be indomitable | |
| 挠头 | náo tóu | tricky; problematic; difficult; to scratch one's head (in puzzlement) | |
| 抓耳挠腮 | zhuā ěr náo sāi | to tweak one's ears and scratch one's cheeks (as an expression of anxiety, delight, frustration etc) (idiom) |
| 1 | Student: yes Prof.: that's the implication there, if she had realized you wouldn't have got scratched. | |
| 2 | My white hair has been scratched thin and short, and soon will not be able to hold a hairpin. | |
| 3 | Or just tickle a kid until he is beet red from laughter. | |
| 4 | Your cat is simply impossible. He always runs around scratching things and does not listen to me. | |
| 5 | You deserve to get scratched. What should we call that? |
