oh, well (an exclamation or disappointment) / sigh (interjection used when one is tired) / thank goodness (interjection of relief)

(informal) Contraction of 嫌になる (iya ni naru).

薬科: pharmacy

(idiomatic) A piece of cake; an extremely simple thing, something trivial, a cinch, easy as pie.

朝飯前: A piece of cake; an extremely simple thing.

(telephony) a common Japanese telephone greeting: hello; used when answering the telephone / used to confirm that the person being addressed is listening, or to confirm if anyone is listening

put away

in front / before

the front / the past / previous

a portion, an amount / ago