挽 (wǎn) — to roll up; to hold by the arm; to pull back

Character

Strokes: 10
Radical: 扌 — hand
Made of: 扌 hand 免 to spare, to excuse from
How it's built: Phono-semantic — one part hints at the meaning, another at the sound

他挽起袖子走进灾后现场，亲自确认临时供水是否恢复。 Tā wǎn qǐ xiùzi zǒu jìn zāi hòu xiànchǎng, qīnzì quèrèn línshí gōngshuǐ shìfǒu huīfù. He rolled up his sleeves and went into the post-disaster site to personally confirm whether temporary water supply had been restored.
出门时她挽着奶奶的手臂，慢慢走过那条老街。 Chūmén shí tā wǎn zhe nǎinai de shǒubì, mànmàn zǒu guò nà tiáo lǎo jiē. As they went out, she took grandma's arm and slowly walked her down the old street.
天太热了，他把裤腿挽到膝盖，跳进河里捉鱼。 Tiān tài rè le, tā bǎ kùtuǐ wǎn dào xīgài, tiàojìn hé lǐ zhuō yú. It was too hot, so he rolled his trouser legs up to his knees and jumped into the river to catch fish.