a (single) pair, couple, brace (male-female pair of animals) / (gagaku, bugaku, dance) a style of performance consisting of pairs of left and right dances

beggar

(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

Alternative spelling of スイングドア

peephole (hole in a door through which to look)

頂点: summit, vertex, apex

調査: investigation; examination; inquiry; enquiry; survey / 潮差: tidal range