发扬蹈厉

fā yáng dǎo lì

see 發揚踔厲|发扬踔厉[fa1 yang2 chuo1 li4]

发

fā

to send out

扬

yáng

variant of 揚|扬[yang2]

蹈

dǎo

to tread on

厉

lì

strict