第一 diˋ yiˉ

(First, Number one)

Number one, First, The first

一天 yiˋ tianˉ

(One day, whole day)

One day, The whole day

第

In Sequence, Number, Prefix

Number, Prefix for numbers, In Sequence

一

A, An, As soon as, Once, One, Single, The

One, 1, Single, A, An, Once, As soon as, The

天

Climate, Day, Heavens, Natural, Nature, Necessities, Seasons, Sky, Weather

Day, Sky, Heavens, Seasons, Climate, Weather, Nature, Natural, Necessities