朝乾夕惕

朝乾夕惕 [zhāo qián xī tì]

1. ■ be respectfully attentive in the morning and stand in awe at night -- diligence in one's work; be diligent and alert from morning till night; be very diligent and careful all day long; be very diligent and prudent the whole day, daring not to be sluggish