Great sound is hard to hear

said of a woman - bìn luàn chāi héng

rough and bumpy - kǎn kě bù píng

fall into prostitution - lún luò fēng chén

keep calm - píng xīn jìng qì

valiant and heroic - duǎn yī pǐ mǎ

As you can see - rú jiàn fèi gān

elude sb 's observation - bì rén ěr mù

Come back to me - fǎn wǒ chū fú

beat drums and clang gongs -- in + battle - jī gǔ míng jīn

Work hard - láo xíng kǔ xīn