英和和英

a transition period

a period of time

the age of cave-dwellers

sidereal time

the latent period

grace period

an ancient period of time

a period of reign

the earliest period

the preterit tense

prehistoric times

prehistoric times

the era gone by

the feudal times

the feudal times

the abyss of time

the term of penal servitude

monotonous times―uneventful times―waste periods of history

the golden age―one's best days―one's reign

statute of limitations

unpeaceful times

an eventful period

a turning-point

a length of time

one's bright days―best days

one's bright days―one's palmy days―one's best days

an anachronism

vacant hours

a brief space of time

a moment