初心しょしん
shoshin

Noun

1. one's original intention; one's initial enthusiasm

初心しょしん貫徹かんてつしたらどうですか。
shoshin'o kantetsu shitara dōdesuka.
Why don't you carry out what you've set out to do?
Noun
na-Adjective
no-Adjective

2. inexperience; naivety; greenness