it stands to reason

have no alternative - jìn tuì wú lù

be linked mountains and rivers - shān shuǐ xiāng lián

expose one's chest and back - tǎn xiōng lù bèi

shut one 's mouth - bì kǒu bù yán

be indignant - fèn fèn bù píng

exemplary conduct and nobility of character - zhēn fēng liàng jié

Broadcom classics - bó tōng jīng jí

Smooth surface - yóu tóu huá miàn

scratch one 's head and stroke one 's ear - sāo tóu mō ěr

teaching benefits teachers as well as students - zuàn xué xiāng cháng