seriousとは 意味・定義・例文
Adjective 形容詞
1. deep in thought, not cheerful or funny
考え込んだ, まじめな
Don't be so serious.
2. acting or speaking sincerely or earnestly
まじめな, 誠実な, 熱心な
an serious worker[student, ...]
3. very important because of possible danger
深刻な, 重い
a serious mistake[illness, situation, ...]