出典:Wiktionary
bill and coo (三人称単数 現在形 bills かつ coos, 現在分詞 billing かつ cooing, 過去形および過去分詞形 billed かつ cooed)
出典:Wikipedia
いちゃちゃする
bill and coo
イバラのやぶ.
briers and brambles
of tools, both a compass and a carpenter's square
the ayes and noes
to wrestle with a dictionary
口ごもる.
the former and the latter―the one and the other―one and another