他用笔勾出了重点。
Tā yòng bǐ gōu chū le zhòngdiǎn.
English
He marked the key points with a pen.
to attract; to tick; to strike out
to hook; to cross out; to evoke; to collude
Every character draws itself stroke by stroke, then hands you the brush to trace it yourself.
Nice writing!
他用笔勾出了重点。
Tā yòng bǐ gōu chū le zhòngdiǎn.
He marked the key points with a pen.
他把选项勾了出来。
Tā bǎ xuǎnxiàng gōu le chūlái.
He checked the options.
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.