make a personal example as an effective means of convincing others

keep under observation - jìng guān mò chá

a straw shows which way the wind blows - luò yè zhī qiū

Once not miserable - zeng bu chan ran

willing to sacrifice life in case of danger - jiàn wēi shòu mìng

Gnash one's teeth - yǎo yá hèn chǐ

far beyond one 's reach - bù kě qǐ jí

See the beginning and know the end - dǔ shǐ zhī zhōng

A long way to go - dǐng chéng lóng qù

A horse is like a fish - mǎ rú yóu yú

blossom fruit - kāi huā jié guǒ