Meaning of cǎi:
踩
to step on; to tread; to stamp; to press a pedal; to pedal (a bike); (online) to downvote; variant of 踩[cai3]
Wǒ bù xiǎo xīn cǎi le tā de jiǎo.
我不小心踩了他的脚。
I accidentally stepped on his foot.
Xiǎoxīn, bùyào cǎi dào dìshàng de wánjù.
小心,不要踩到地上的玩具。
Be careful not to step on the toys on the floor.
Zhùyì, bùyào cǎi dào xiānhuā.
注意,不要踩到鲜花。
Be careful, don't step on the flowers.
Tā qīng qīng de cǎi zài zìxíngchē de tàbǎn shàng.
他轻轻地踩在自行车的踏板上。
He gently pressed on the bicycle's pedal.
Tā zhèngzài nǔlì xuéxí qí zìxíngchē bìng xuéhuì rúhé cǎi jiǎotàbǎn.
他正在努力学习骑自行车并学会如何踩脚踏板。
He is working hard to learn how to ride a bicycle and how to pedal.
Tā zài zhège tiězi shàng ànle yīgè cǎi.
他在这个帖子上按了一个踩。
He clicked a downvote on this post.
Tā bù xiǎoxīn cǎi dào le dì shàng de shuǐkēng.
他不小心踩到了地上的水坑。
He accidentally stepped into a puddle on the ground.