単語 "the gem cannot be polished without friction, nor man perfected without trials" の日本語での意味

"the gem cannot be polished without friction, nor man perfected without trials" は英語で何を意味しますか?Lingolandと一緒にこの単語の意味、発音、具体的な使い方を学びましょう

the gem cannot be polished without friction, nor man perfected without trials

US /ðə ˌdʒem ˈkæn.ɑːt bi ˈpɑː.lɪʃt wɪˌðaʊt ˈfrɪk.ʃən nɔːr ˌmæn pərˈfek.tɪd wɪˌðaʊt ˈtraɪ.əlz/
"the gem cannot be polished without friction, nor man perfected without trials" picture
1.

宝石は摩擦なしには磨けず、人は試練なしには完成しない

Lingolandでこの単語を学ぶ