非常严肃认真 meaning in English
be in sober earnest
Examples
- The planning process, and in particular the six-month operating plan, are taken very seriously .
计划程序特别是六个月的业务计划执行得非常严肃认真。 - So they swore again with dread solemnities
于是他们又非常严肃认真地发了一回誓。
be in sober earnest