(literary) used to describe time passing or slipping away imperceptibly

appearing fierce or strong on the outside while being cowardly or weak on the inside; a sheep in wolf's clothing

(idiom) time passes very quickly

weak and timid; soft; lacking in strength or resolve

weak or soft on the inside, especially regarding character or willpower; often used in the phrase [[色厉内荏|色厲內荏|se4 li4 nei4 ren3]] to describe someone who is tough on the outside but weak within

(of time) pass gradually; slip away

a plant of the mint family whose seeds are used to produce oil for cooking and industrial applications

the practice of growing the same crop on the same land in successive years

to plant the same crop on the same plot of land in consecutive years