先把插头插上吧。

Xiān bǎ chātóu chāshàng ba.

Plug it in first.

他在花瓶里插了一朵鲜花。

tā zài huāpíng lǐ chā le yī duǒ xiānhuā.

He put a fresh flower in the vase.

她用铅笔插上了书签。

tā yòng qiānbǐ chā shàng le shūqiān.

She inserted a bookmark with a pencil.